declassify

verb

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

transitive verb

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

Examples of declassify in a Sentence

The government has not yet declassified that information.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Pentagon has been working on declassifying documents related to UFOs for years, and Congress created an office in 2022 to declassify material. Seung Min Kim, Chicago Tribune, 8 May 2026 Officials said additional files will continue appearing online in the coming weeks as agencies review and declassify more material from government archives. Aamir Khollam, Interesting Engineering, 8 May 2026 Citing concerns over national security, Congress created an office in 2022 to investigate UAP and declassify as much material as possible. ABC News, 3 May 2026 Citing concerns over national security, Congress created an office in 2022 to investigate UAP and declassify as much material as possible. Collin Binkley, Fortune, 30 Apr. 2026 See All Example Sentences for declassify

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of declassify was in 1945

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Cite this Entry

“Declassify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/declassify. Accessed 16 May. 2026.

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