/ ˌdiːˈklæsɪfaɪ; NAmE / verb
( de·clas·si·fies , de·clas·si·fy·ing , de·clas·si·fied , de·clas·si·fied ) [ vn ] to state officially that secret government information is no longer secret
OPP classify :
declassified information / documents
OPP classify
► de·clas·si·fi·ca·tion / ˌdiːˌklæsɪfɪˈkeɪʃn; NAmE / noun [ U ]