Simple Definition of declassify
: to allow the public to see or learn about (something that has been a secret)
Full Definition of declassify
: to remove or reduce the security classification of <declassify a secret document>
declassificationplay \(ˌ)dē-ˌkla-sə-fə-ˈkā-shən\ noun
Examples of declassify in a sentence
The government has not yet declassified that information.
First Known Use of declassify
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