Dictionary
declassify
verb de·clas·si·fy \(ˌ)dē-ˈkla-sə-ˌfī\
: to allow the public to see or learn about (something that has been a secret)
Full Definition of DECLASSIFY
transitive verb
: to remove or reduce the security classification of <declassify a secret document>
— de·clas·si·fi·ca·tion \(ˌ)dē-ˌkla-sə-fə-ˈkā-shən\ noun
See declassify defined for English-language learners
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First Known Use of DECLASSIFY
1945
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