Simple past tense and past participle of declassify.(verb)
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Use "declassified" in a sentence
"Is it so G-damn hard to see tha the point is not that he has the “authority” to declassify … it’s that he frickin declassified on a NOC operative from the CIA, PURPOSELY, to out her for political gain … That is treason, pure and simple you morons!"
"I thought … but not sure … that Senator Levin declassified the paragraphs released …. that’s what I thought he said over the weekend talk shows."
"I know Fox New reported that the NIE was declassified, which is not true at the time to the leak."