Other forms: declassified, declassifying
To declassify is to release something from official secrecy. Declassify the papers after thirty years.
Most countries release records after a set period, and the interesting ones are held back longer. To declassify a document often reveals that the secret was an embarrassment rather than a danger.
1verbdeclassifyTo release something from official secrecy.
“They agreed to declassify the file after fifty years.”
declassify is a releasing.
French
classifier
English
classify
English, today
declassify
From de- + classify. classify comes from French classifier. by surface analysis, class + -ify.
Etymology from Wiktionary, CC BY-SA