de·​clas·​si·​fy | \ (ˌ)dē-ˈkla-sə-ˌfī How to pronounce declassify (audio) \
declassified; declassifying; declassifies

Definition of declassify

transitive verb

: to remove or reduce the security classification of declassify a secret document

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Other Words from declassify

declassification \ (ˌ)dē-​ˌkla-​sə-​fə-​ˈkā-​shən How to pronounce declassification (audio) \ noun

Examples of declassify in a Sentence

The government has not yet declassified that information.

Recent Examples on the Web

Spying on ice Photos from the US KH-9 Hexagon satellite have been declassified, much to the delight of geoscientists. Scott K. Johnson, Ars Technica, "Declassified satellite images show how Himalayan glaciers have shrunk," 19 June 2019 Trump issued a memorandum May 24 giving Barr broad authority to declassify information as part of the review. NBC News, "New details of Barr's far-reaching probe into 'spying' on Trump 2016 campaign," 10 June 2019 The Attorney General has also been delegated full and complete authority to declassify information pertaining to this investigation. . . Lynn Yaeger, Vogue, "The Week in Washington: First Amendment Threats and Grotesque Taunts," 26 May 2019 That chapter in her 33-year career remains shrouded in mystery because officials have refused to declassify more information about it. Chris Megerian,, "Trump's nominee for CIA director wins key Democratic support, virtually assuring her confirmation," 15 May 2018 The film was later digitized by the government and declassified. Daniela Hernandez, WSJ, "Himalaya Glaciers Shrinking at Faster Rate, Study Finds," 19 June 2019 There was stuff in the New York Public Library, Columbia Law School, Princeton, Newark and the OSS files, especially ones that had only been recently declassified. John Monaghan, Detroit Free Press, "Filmmaker Aviva Kempner on the making of a doc about ballplayer-turned-spy Moe Berg," 19 June 2019 The DC Circuit issued a ruling called Kiyemba v. Obama in 2009 involving a group of Uighur Muslims from China who had been detained at Guantánamo but who had been declassified as enemy combatants. S.m. | New York, The Economist, "The Supreme Court refuses to hear a Guantánamo detainee's appeal," 12 June 2019 Several Democratic and Republican members of Congress said after the classified briefing that the FBI should declassify the names of the two counties that had their election systems hacked by the Russians in 2016. Anthony Man,, "FBI rebuffs congressman’s request for details about 2016 Florida election hacking," 7 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'declassify.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of declassify

1945, in the meaning defined above

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Statistics for declassify

Last Updated

25 Jul 2019

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Time Traveler for declassify

The first known use of declassify was in 1945

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English Language Learners Definition of declassify

: to allow the public to see or learn about (something that has been a secret)

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of or relating to the heavens

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