DECLASSIFY Meaning of DECLASSIFY in English declassi|fy BrE AmE ( ˌ ) diː ˈklæs ɪ |faɪ -ə- ▷ declassi|fied faɪd▷ declassi|fies faɪz▷ declassi|fying faɪ ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012