v. t.
‖pos>adj. [ F. Cf. F. déclasser. ]
n. Reduction by the government of restrictions on a classified document or weapon. [ WordNet 1.5 ]
adj. having a security classification removed so as to be open to public inspection; -- of documents or information. [ WordNet 1.5 ]
v. to lift the restriction on publication [ of documents ] by reducing or eliminating the secrecy classification of; -- usually applied to government documents classified as secret.