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The NATO Open Source Intelligence Reader is one of three standard references on open-source intelligence. The other two are the NATO Open Source Intelligence
NATO Open Source Intelligence Reader
NATO_Open_Source_Intelligence_Reader
references are the NATO Open Source Intelligence Reader and the NATO Intelligence Exploitation of the Internet. NATO Open Source Intelligence Handbook v t e
NATO Open Source Intelligence Handbook
NATO_Open_Source_Intelligence_Handbook
Process of managing and organising the collection of evidence
Measurement and signature intelligence (MASINT) Open-source intelligence (OSINT) Signals intelligence (SIGINT) Technical intelligence (TECHINT) At the director
Intelligence collection management
Intelligence_collection_management
1999 bombing of a diplomatic mission
The embassy was reportedly collecting measurement and signature intelligence on NATO aircraft and missiles, including the B-2 and F-117A stealth aircraft
United States bombing of the Chinese embassy in Belgrade
United_States_bombing_of_the_Chinese_embassy_in_Belgrade
US-based software and services company
2013 to support the Northern California Regional Intelligence Center in developing a license plate reader database. Civil liberties organizations raised
Palantir
Russian politician and security officer (born 1951)
the reason was the incompetent work of the intelligence services of the United States, Britain and other NATO countries and the misplaced belief of the
Nikolai_Patrushev
Maxim of intelligence
Intelligence dissemination management is a maxim of intelligence arguing that intelligence agencies advise policymakers instead of shaping policy. Due
Intelligence dissemination management
Intelligence_dissemination_management
Internet Journal
and mask mandates." A State Department source told the Wall Street Journal that Russia's foreign intelligence service directly controls content at two
New_Eastern_Outlook
Controversies involving the Central Intelligence Agency
The Central Intelligence Agency (CIA) has been the subject of a number of controversies, both in and outside of the United States. Legacy of Ashes: The
List_of_CIA_controversies
Covert and paramilitary unit of the CIA
Special Activities Center (SAC) is the center of the United States Central Intelligence Agency (CIA) responsible for covert operations. The clandestine specialized
Special_Activities_Center
Political opposition research report regarding the 2016 US election
were paying enough into Nato coffers". Nancy LeTourneau tied dossier allegations with Trump's attacks on NATO and reminded readers of "what Vladimir Putin
Steele_dossier
2012 NATO summit meeting in Chicago, Illinois, United States
Atlantic Treaty Organization (NATO), held in Chicago, Illinois, on 20 and 21 May 2012. This was the first time ever that a NATO summit was held in the United
2012_Chicago_NATO_summit
Country in Northern Europe
missions of NATO and European Union member states. The defense ministry is responsible for combat forces, search and rescue, and intelligence operations
Lithuania
Clandestine espionage methods for collecting intelligence from human sources
information adversary sources that a country has turned to its side. This description is based around the foreign intelligence service, of country B,
Clandestine HUMINT operational techniques
Clandestine_HUMINT_operational_techniques
Military activities designed to affect behaviors
an extension of information warfare using propaganda and disinformation. NATO General Paolo Ruggiero distinguishes it from other information-related activities
Cognitive_warfare
Online Jihadist magazine published by Al-Qaeda
April 2014. Raymond Ibrahim, The Al Qaeda Reader, 6. Abu Mus Ab Al-Suri, "The Jihadi Experience: The Open Fronts and The Individual Initiative", Inspire
Inspire_(magazine)
US report on Russian influence in US election
media, while the Intelligence and Security Committee of Parliament released a report in July 2020 that likewise noted that open source studies have concluded
Senate_Intelligence_Committee_report_on_Russian_interference_in_the_2016_United_States_presidential_election
Free and open-source personal information manager by Mozilla
free and open-source personal information manager primarily used as an e-mail client with a calendar and contactbook, as well as an RSS feed reader, chat
Mozilla_Thunderbird
President of the United States from 2001 to 2009
abstaining: "I believe that God helped open my eyes, which were closing because of booze". Bush has been an avid reader throughout his adult life, preferring
George_W._Bush
Cyberattacks on Russia by the hacker collective
called for the creation of a "neutral grouping" of countries "wedged between NATO and Russia" that would include Ukraine, Finland, Belarus, Georgia, Armenia
Anonymous and the Russian invasion of Ukraine
Anonymous_and_the_Russian_invasion_of_Ukraine
Conspiracy theory originating in Russia
"Denver," the KGB's Massive AIDS Disinformation Campaign". The MIT Press Reader. Archived from the original on February 13, 2021. Retrieved April 15, 2021
Ukraine bioweapons conspiracy theory
Ukraine_bioweapons_conspiracy_theory
Espionage against the United States by Soviet intelligence agencies
work and cooperation with Soviet intelligence agencies. He took over an existing network of agents and intelligence sources from Earl Browder. Golos' controller
Soviet espionage in the United States
Soviet_espionage_in_the_United_States
as well as other intelligence assessment, has existed since ancient history. In the 1980s scholars characterized foreign intelligence as "the missing dimension"
History_of_espionage
2024 book by Annie Jacobsen
at the U.S. and NATO countries. The concluding 24 minutes (Part IV) culminate in global nuclear apocalypse. The United States and NATO launch their remaining
Nuclear_War:_A_Scenario
1962 confrontation between the US and USSR
Henning, Heiko (21 February 2017). "Senator Keating's Source: How West German intelligence discovered Soviet missiles in Cuba". Wilson Center. Archived
Cuban_Missile_Crisis
American entrepreneur and venture capitalist (born 1967)
soon enough. In December 2015, OpenAI, a nonprofit company aimed at the safe development of artificial general intelligence, announced that Thiel was one
Peter_Thiel
American investigative journalist (born 1937)
post's claims were criticized by writers using open-source intelligence. Hersh replied that the open-source location data could have been manipulated by
Seymour_Hersh
Neologism comparing Vladimir Putin with Adolf Hitler
this publication as deliberately shaping a negative image of Putin among readers. Courthouse News Service notes that the nickname “Putler” is part of Ukrainian
Putler
German anti-Nazi and spy for the Soviet Union (1897–1958)
Soviet Union with intelligence on the V-1 and V-2 missiles. During the Cold War, Roessler reactivated his network and he spied on NATO countries in Western
Rudolf_Roessler
2001 terror attacks in the U.S.
The NATO council declared that the terrorist attacks on the United States were an attack on all NATO nations that satisfied Article 5 of the NATO charter
September_11_attacks
Group of Russian federal laws
from Ukraine and that they were planning to attack us with the whole of NATO." Prigozhin said the war was not needed to "demilitarize or denazify Ukraine
Russian 2022 war censorship laws
Russian_2022_war_censorship_laws
and NATO launched the global war on terror. Alongside conventional ground interventions, the war on terror saw the U.S. military and intelligence community
Foreign interventions by the United States
Foreign_interventions_by_the_United_States
2023 Russian factional conflict
According to The Daily Telegraph's anonymous sources, British intelligence similarly found that Russian intelligence agencies threatened to harm families of
Wagner_Group_rebellion
News leak publishing organisation
Award for Integrity in Intelligence for releasing secret U.S. military reports on the Iraq and Afghan wars and was named the Readers' Choice for TIME's Person
WikiLeaks
Chancellor of West Germany from 1949 to 1963
line as a postwar frontier to Poland. Under Adenauer, West Germany joined NATO. A proponent of European unity, he signed the Treaty of Rome in 1957. Konrad
Konrad_Adenauer
resigns as Director of National Intelligence, citing her husband's recent bone cancer diagnosis. According to a source familiar with her departure, she
2026_in_the_United_States
(Chinese: "和平．公義．保台灣") which describes the invasion while attempting to show readers the world the cruelty and stupidity of war, while suggesting that there
Taiwan and the Russo-Ukrainian war
Taiwan_and_the_Russo-Ukrainian_war
2025 Israel–Hamas ceasefire agreement
"Three killed as buildings collapse due to winter storm in Gaza Strip". PressReader. The National. January 14, 2026. Retrieved January 21, 2026. Witkoff, Steve
Gaza_peace_plan
Conservative political initiative in the United States
nuclear umbrella only for nations in the North Atlantic Treaty Organization (NATO), and that these countries should be responsible for deploying their own
Project_2025
American counterterrorism analyst (born 1952)
the CIA, the book is based solely on unclassified intelligence or material available from open sources such as media reports. His main thesis in the work
Michael_Scheuer
American politician and teacher (1925–1978)
vocal criticism of the lack of congressional oversight of the Central Intelligence Agency (CIA), and co-authored the Hughes–Ryan Amendment, passed in 1974
Leo_Ryan
Group that provides security feedback
red team's activities. Before physical reconnaissance occurs, open-source intelligence (OSINT) gathering can occur by researching locations and staff
Red_team
American counterintelligence program during World War II and Cold War
early years of the Cold War, the Venona project was a source of information on Soviet intelligence-gathering directed at the Western military powers. Although
Venona_project
British journalist and political adviser (born 1957)
influenced the reports against the wishes of the intelligence services, misrepresenting his source, Dr David Kelly, in the process. This led to Campbell
Alastair_Campbell
2025 US extrajudicial deportation
involved information from confidential witnesses and from license plate readers in several states. Four of the five confidential witnesses are members
Deportation of Kilmar Abrego Garcia
Deportation_of_Kilmar_Abrego_Garcia
American political scientist (born 1947)
that the EU and NATO "should abandon their plan to westernize Ukraine and instead aim to make it a neutral buffer state between NATO and Russia". Regarding
John_Mearsheimer
1947–1991 geopolitical rivalry between US and USSR
a counterintelligence investigation before being recruited as a source of intelligence. During the late 1970s and 1980s, the KGB perfected its use of espionage
Cold_War
Brazilian journalist (born 1954)
Belhaj (whose military leadership against Muammar Gaddafi was being aided by NATO), including his training with al-Qaeda in Afghanistan. According to Escobar's
Pepe_Escobar
Post-apocalyptic tabletop role-playing game
East and West Germany while the Soviet Union was distracted. This dragged NATO into the conflict, leading to exchanges of nuclear, chemical and biological
Twilight:_2000
Country in North America
Korean War in the early 1950s. In 2011, Canadian forces participated in the NATO-led intervention into the Libyan Civil War and also became involved in battling
Canada
Expansion of American political, economic, and military influence
Appropriations and Intelligence Committees, stated[when?] that "The intelligence received from Israel exceeds the intelligence received from all NATO countries
American_imperialism
2025 detention by US Immigration and Customs Enforcement's (ICE)
(JTA), Khalil's detention "divided Jews"; an unscientific survey of its readers found a "slight majority" supported Khalil's deportation. Jewish Currents
Detention_of_Mahmoud_Khalil
2023 deadly explosion in the Gaza Strip
French intelligence drew this conclusion from classified information, satellite imagery, intelligence shared by other countries, and open-source information
Al-Ahli Arab Hospital explosion
Al-Ahli_Arab_Hospital_explosion
Policy platform of the 2024 Donald Trump campaign
28, 2024. Gram Slattery (July 17, 2024). "Trump's foreign policy: rethink NATO, troops to Mexico, boost tariffs". Reuters. Reuters. Archived from the original
Agenda_47
Handwritten notes of KGB archivist Vasili Mitrokhin
that Czechoslovakia could fall victim to NATO aggression or to a coup." At that moment, Soviet intelligence officer Oleg Kalugin reported from Washington
Mitrokhin_Archive
American politician and naval officer (1932–2021)
(1969–1970), counselor to the president (1969–1973), the U.S. Representative to NATO (1973–1974), and the White House chief of staff (1974–1975). Between his
Donald_Rumsfeld
make it necessary to gather details from other sources, including diplomatic and intelligence sources and 'unauthorized' statements by its political and
Israel_and_nuclear_weapons
American private military contractor
the Pentagon contracted USTC to provide "intelligence analyst support and material procurement" for NATO in the ongoing Afghan drug war. Academi offers
Blackwater_(company)
Country in Oceania
also participates in the defence, intelligence and security alliances ANZUS, AUKUS and Five Eyes. It is a major non-NATO ally of the United States. The name
Australia
Prime Minister of Canada since 2025
defence (the NATO target) by the end of 2030. In June 2025, Carney committed that the government would reach the 2% target by March 2026 and NATO's new 5% of
Mark_Carney
Political party in the United States
launched against the United States" in Afghanistan in 2001, supporting the NATO coalition invasion of the nation. Most elected Democrats continued to support
Democratic Party (United States)
Democratic_Party_(United_States)
2024 death of a Russian opposition leader
authorities, including President Vladimir Putin, responsible for his death. US intelligence agencies later concluded that Putin likely did not order Navalny's death
Death and funeral of Alexei Navalny
Death_and_funeral_of_Alexei_Navalny
Accusations that Trump's ideology is fascist
sound "an alarm bell" about a fascist revival. She frequently nudges the reader to make connections between the president of the United States and past
Donald_Trump_and_fascism
Computer-based activities as a means of protest
Advocacy". Global Voices Advocacy. Retrieved 2020-11-24. "Open source 'protestware' harms Open Source". opensource.org. 24 March 2022. Retrieved 2022-03-28
Hacktivism
focused on the Russo-Ukrainian War, as well as the dynamic between Russia and NATO since the dissolution of the Soviet Union in 1991. Historians have pointed
List_of_YouTube_videos
President of the United States from 1993 to 2001
Retrieved September 24, 2022. Clines, Francis X. (March 25, 1999). "NATO Opens Broad Barrage Against Serbs as Clinton Denounces 'Brutal Repression'"
Bill_Clinton
Country primarily in North America
France, Italy, Germany, Spain, and Poland. The U.S. works closely with its NATO allies on military and national security issues, and with countries in the
United_States
Organization (NATO) established a joint cyberdefense center in Estonia to improve cyberdefense interoperability and provide security support for all NATO members
Internet_in_Estonia
Russian military doctrine
deceived OKH by playing to their three sources of information; Stavka systematically denied the Germans real intelligence on Red Army forces as they concentrated
Russian_military_deception
Retrieved 19 February 2024. "The CFR and the Media". Retrieved 2018-08-13. "Source of Crescent and Tree on the South Carolina Flag? (U.S.)". www.crwflags.com
List_of_Latin_phrases_(full)
Views and voting record of the British politician
John Pilger for "reminding readers of the devastating human cost of the so-termed 'humanitarian' invasion of Kosovo, led by NATO and the United States in
Political positions of Jeremy Corbyn
Political_positions_of_Jeremy_Corbyn
1947 anti-communist article by American diplomat George F. Kennan
circulated widely enough that a copy leaked out to Soviet intelligence. Stalin was among its readers and called on his American ambassador, Nikolai Novikov
X_Article
American political endorsements
general Charles P. Otstott, retired lieutenant general, Deputy Chair of the NATO Military Committee (1990–1992) Gale Pollock, retired major general Maritza
List of Kamala Harris 2024 presidential campaign non-political endorsements
List_of_Kamala_Harris_2024_presidential_campaign_non-political_endorsements
Pakistan's involvement in state-sponsored terrorism
separatist militias Many nonpartisan sources believe that officials within Pakistan's military and the Inter-Services Intelligence (ISI) sympathise with and aid
Pakistan and state-sponsored terrorism
Pakistan_and_state-sponsored_terrorism
Bilateral relations
accession to NATO in March 2004 and continues to work with the Slovenian military to promote greater cooperation and interoperability with NATO forces. The
Slovenia–United States relations
Slovenia–United_States_relations
English broadcaster and natural historian (born 1926)
Attenborough was named the most trusted celebrity in the UK in a 2006 Reader's Digest poll, and in 2007 he won The Culture Show's Living Icon Award. He
David_Attenborough
Artificial production of human speech
the Atari 2600 (Quadrun and Open Sesame), also had games utilizing software synthesis.[citation needed] Some e-book readers, such as the Amazon Kindle
Speech_synthesis
Series of protests in California, U.S.
Los Angeles Sources have described some of the protests as being "riots" or "riots and protests", or simply "violent protests". Sources describe the
June 2025 Los Angeles protests against mass deportation
June_2025_Los_Angeles_protests_against_mass_deportation
Air- and missile-defense system
defense system intended to replace the Patriot missile system through a NATO-managed development. The program is a development of the United States, Germany
Medium Extended Air Defense System
Medium_Extended_Air_Defense_System
American political commentator (born 1999)
support for Ukraine and to NATO's existence. At the rally, Hinkle expressed support for Russia's invasion of Ukraine.[better source needed] In February 2024
Jackson_Hinkle
List of U.S.-backed regime change operations
S2CID 159490612. Archival sources on the U.S. relationship with this regime are highly restricted. Many records of the Central Intelligence Agency's operations
United States involvement in regime change
United_States_involvement_in_regime_change
War actions of the German military officer
Bundeswehr, which, according to vom Hagen, "was and is" accepted by Germany's NATO partners. When his image was challenged in the late 1990s, three leading
Erwin Rommel in the Second World War
Erwin_Rommel_in_the_Second_World_War
Country in South America
Countries; it is also an observer state of the Arab League and a major non-NATO ally of the United States. The word Brazil probably comes from the Portuguese
Brazil
Communication of Hungary's governing party from 2010 until 2026
countries, and NATO members of dragging Hungary into war by seeking to send weapons and soldiers to Ukraine. Painting Ukraine as the source of danger instead
Fidesz_propaganda
marriage becomes legalised in the US (with Wyatt Cenac); Uber; artificial intelligence (with Lawrence Krauss); proposed Rio Tinto coal mine near Bulga. 12 12
List of The Weekly with Charlie Pickering episodes
List_of_The_Weekly_with_Charlie_Pickering_episodes
Government of Russia since 1999
If that requires the collapse of NATO, Russia intends to bring that and won't stop until it do that. Thankfully, NATO has many enemies in the world besides
Russia_under_Vladimir_Putin
Soviet 7.62×39mm assault rifle
the AK-47 magazine being more reliable but makes it heavier than US and NATO magazines. The early slab-sided steel AK-47 30-round detachable box magazines
AK-47
American political organization
the organization's position that the U.S. should withdraw from NATO, criticizing NATO's "imperialist expansionism" as having "set the stage" for the war
Democratic Socialists of America
Democratic_Socialists_of_America
The United States (U.S.) Central Intelligence Agency (CIA) has been involved in covert actions and contingency planning in Iraq ever since the 1958 overthrow
CIA_activities_in_Iraq
Form of human-machine interaction using multiple modes of input/output
development kit, such as IBM WebSphere Multimodal Toolkit, based on the open source Eclipse framework, which includes an X+V debugger, editor, and simulator
Multimodal_interaction
Deputy prime minister of Romania (born 1941)
Atlanticism and globalism, having restated his own nationalism during the NATO bombing of Yugoslavia. The future politician was born in Bucharest on 8 February
Gelu_Voican_Voiculescu
Ukraine." A section of the Intelligence and Security Committee Russia report stated that there was 'credible open source commentary' that Russia conducted
List of foreign electoral interventions
List_of_foreign_electoral_interventions
Bilateral relations
the British intelligence and security establishment in the 1930s–1950s while concurrently, the British co-opted top Russian intelligence officers throughout
Russia–United Kingdom relations
Russia–United_Kingdom_relations
Founder of al-Qaeda (1957–2011)
unnamed NATO official suggested that bin Laden was alive, well, and living comfortably in Pakistan, protected by elements of the country's intelligence services
Osama_bin_Laden
1984 novel by Frederick Forsyth
the United Kingdom and the country's withdrawal from (and repudiation of) NATO. In conjunction with a GRU general, an academic named Krilov, and a chess
The_Fourth_Protocol
Foreign relations of Russia since 2012
concerned about interference in the affairs of Eastern Europe. The expansion of NATO and the European Union into Eastern Europe much conflicts with Russian interests
Foreign policy of Vladimir Putin
Foreign_policy_of_Vladimir_Putin
Class of Internet of things for warfare
tracking), smart city monitoring, and data warfare. Several nations, as well as NATO officials, have expressed Interest in the potential military benefits of
Internet_of_Military_Things
Apparent unusual observation in the sky
hypotheses, often claiming that UFOs are evidence of extraterrestrial intelligence, technologically advanced cryptids, interdimensional contact or future
Unidentified_flying_object
1981–1996 genocide of Maya people in Guatemala
had been largely drawn out into the open, the names of cooperativists were relatively easy for the intelligence services (G-2) to collate in order to
Guatemalan_genocide
Facet of American elections
a $10 Million, Open Source, Secure Voting System". Vice. Retrieved June 1, 2019. "DARPA is trying to build an unhackable open-source voting system".
Electronic voting in the United States
Electronic_voting_in_the_United_States
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
Female
Hebrew
(×Ö¸×¡Ö°× Ö·×ª) Hebrew name of Egyptian origin, ACÄ”NATH means "belonging to the goddess Neith." In the bible, this is the name of Joseph's Egyptian wife.
Female
Thai/Siamese
Thai name PEN-CHAN means "full moon."
Boy/Male
Welsh
Son of Owen.
Surname or Lastname
English
English : patronymic from Middle English sour ‘sour’, ‘tart’, used as a nickname for a sour-tempered, sharp-tongued person.
Boy/Male
Gujarati, Hindu, Indian
Calm; Intelligence; Always Energetic; Intelligent
Boy/Male
Celtic Welsh
Son of Owen.
Surname or Lastname
English
English : variant of Penn.Dutch : metonymic occupational name for a clerk or penman, from Dutch pen ‘pen’.Cambodian : unexplained.
Female
Greek
(Îατάσα) Pet form of Greek Anastasia, NATÃSA means "resurrection."
Male
Welsh
 Modern Welsh form of Old Welsh Owain, OWEN means "born of yew." Compare with another form of Owen.
Female
Japanese
(1-ç›´, 2-å°š) Japanese unisex name NAO means 1) "docile" or 2) "esteemed."
Male
English
 Anglicized form of Irish Gaelic Eóghan, OWEN means "born of yew." Compare with another form of Owen.
Male
Swedish
Norwegian and Swedish form of Old Norse Óðinn, ODEN means "poetry, song" and "eager, frenzied, raging."
Male
Hebrew
Short form of Hebrew Nathan, NATE means "a giver" or "whom God gave."
Surname or Lastname
English
English : ethnic name for someone from Prussia, Middle English Spruce, Sprewse. Compare German Preuss. The adjective spruce ‘neat’, ‘dapper’, which probably derives from an attributive use of the name of the country, is not recorded until the late 16th century, too late for it to be a likely source of the surname. The tree (earlier called spruce fir) has likewise only come to be known by this name in the last couple of centuries.
Female
English
English short form of Latin Penelope, PEN means "weaver of cunning."
Boy/Male
Latin Shakespearean
Intelligent; shrewd.
Male
Hebrew
 Short form of Hebrew Nathan, NAT means "a giver" or "whom God gave." Compare with another form of Nat.
Male
Welsh
Variant form of Welsh Owen, possibly OUEN means "born of yew."
Female
Hungarian
Hungarian form of Latin Natalia, NATÃLIA means "birthday," or in Church Latin "Christmas day."Â
Male
Swedish
Swedish name derived from Old Norse stúra, STURE means "obstinate."
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
Boy/Male
Hindu
Having painted eyes
Boy/Male
Indian, Punjabi, Sikh
Flame of Family
Boy/Male
Hindu, Indian
Family; Ancestors
Girl/Female
Arabic
Straight Path
Boy/Male
Arabic, Muslim
Wondrous
Girl/Female
Indian, Punjabi, Sikh
Voted; Headscarf
Girl/Female
Hindu, Indian
Born of the Lotus
Female
English
Feminine variant spelling of English unisex Bailey, BAILEE means "bailiff."Â
Boy/Male
Tamil
Pleasing. An alternative name of the Hindu Lord Vishnu
Boy/Male
Hindu, Indian, Kannada, Tamil, Telugu
Lord Shiva
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
NATO OPEN-SOURCE-INTELLIGENCE-READER
n.
Open or unobstructed space; clear land, without trees or obstructions; open ocean; open water.
a.
Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration; as, an open account; an open question; to keep an offer or opportunity open.
adv.
In an intelligent manner; with intelligence.
a.
Not drawn together, closed, or contracted; extended; expanded; as, an open hand; open arms; an open flower; an open prospect.
a.
Free or cleared of obstruction to progress or to view; accessible; as, an open tract; the open sea.
a.
Not concealed or secret; not hidden or disguised; exposed to view or to knowledge; revealed; apparent; as, open schemes or plans; open shame or guilt.
v. t.
To spread; to expand; as, to open the hand.
v. t. & i.
To open.
n.
An intelligent being or spirit; -- generally applied to pure spirits; as, a created intelligence.
n.
One who, or that which, sends or conveys intelligence or news; a messenger.
v. t.
To enter upon; to begin; as, to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting.
a.
Possessed of intelligence, education, or judgment; knowing; sensible; skilled; marked by intelligence; as, an intelligent young man; an intelligent architect; an intelligent answer.
v. t.
To make or set open; to render free of access; to unclose; to unbar; to unlock; to remove any fastening or covering from; as, to open a door; to open a box; to open a room; to open a letter.
a.
Open.
n.
Source. See Source.
a.
Endowed with the faculty of understanding or reason; as, man is an intelligent being.
n.
Intelligence.
n.
Absence or lack of intelligence; unwisdom; ignorance.
a.
Free; disengaged; unappropriated; as, to keep a day open for any purpose; to be open for an engagement.
a.
Produced by an open string; as, an open tone.