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.
Some have noted that some alien evidence has been declassified recently and barely made a ripple. Bilge Ebiri, Vulture, 12 June 2026 And sure enough, last month the administration declassified hundreds of such files, including military incident reports, photos, videos, intelligence files, astronaut mission material, and historical sightings dating back to the 1940s. Mike Miller, Entertainment Weekly, 5 June 2026 The department said the materials are being released on a rolling basis as records are found, reviewed and declassified. Sarah Rumpf-Whitten, FOXNews.com, 22 May 2026 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, Fortune, 9 May 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 17 Jun. 2026.

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