de·​clas·​si·​fy | \ (ˌ)dē-ˈkla-sə-ˌfī \
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 \ noun

Examples of declassify in a Sentence

The government has not yet declassified that information.

Recent Examples on the Web

The reports were declassified and approved for public release by the U.S. Central Command months ago as part of an effort to study the history of the Iraq war. Ben Kesling, WSJ, "Declassified Interrogation Reports Show How Much Iran Shaped Iraq War," 30 Aug. 2018 Senate Intelligence Chairman Richard Burr has been a vocal supporter of Haspel's, and has argued that the CIA cannot declassify the materials that Democrats are seeking. Jeremy Herb, CNN, "Haspel faces Senate grilling over CIA's interrogation program," 9 May 2018 After Project Zebra was declassified in 2013, efforts slowly developed to honor it with a monument, which would include three figures — one each of Soviet, U.S. and United Kingdom aviators. Washington Post, "Man on quest for WWII monument will march in Russian parade," 8 May 2018 It was declassified with a volume of other documents concerning Central America and Mexico, between 1973 and 1976. Nora Gámez Torres And Alfonso Chardy, miamiherald, "Declassified document says Posada Carriles likely planned 1976 bombing of Cuban plane | Miami Herald," 4 June 2015 All of which puts an additional onus on Mr. Trump to declassify key FBI and Justice documents sought by Mr. Nunes and other House investigators before Mr. Schiff buries the truth. The Editorial Board, WSJ, "Burying the Other Russia Story," 9 Nov. 2018 The only way for the American people to judge is to declassify these documents and get them out. Fox News, "Reps. Meadows, Jordan call on Rosenstein to testify," 27 Sep. 2018 Intelligence agencies and the FBI have begun the process of declassifying key documents in the bureau's Russia investigation -- and the first items could be made public as soon as Friday, federal law enforcement officials told Fox News on Tuesday. Fox News, "Declassification of Russia probe docs underway after Trump order; congressional sources fear 'red tape' delay," 2 Oct. 2018 Conversion Therapy Goes Underground In the face of mounting pressure from gay rights groups as well as evidence that being gay wasn’t pathological, the APA declassified homosexuality as a mental illness by removing it from the DSM in 1973. Chelsea Greenwood Lassman, Teen Vogue, "How Gay Conversion Therapy Came to Be, and How It Persists Today," 7 Aug. 2018

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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Last Updated

10 Jan 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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