declassify verb

/ˌdiːˈklæs.ɪ.faɪ/ v [T]

Definition

to say officially that especially political or military information is no longer secret

Many government documents are declassified after 50 years.

/ˌdiː.klæs.ɪ.fɪˈkeɪ.ʃən/ n [U]

(Definition of declassify verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Synonyms and related words:

If a problem preys on your mind, you think about it and worry about it a lot

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