Similar words: top secret, secret, secrete, secretly, in secret, secretive, secretion, secretary. Meaning: adj. the highest official level of classification of documents.
31. Pressel says he never expected to come to America, much less become an engineer on a top-secret American spy satellite.
32. A TOP-secret script for the next Pirates of the Caribbean movie was found in a greasy spoon cafe after movie chiefs stopped for a fry-up.
More similar words: top secret, secret, secrete, secretly, in secret, secretive, secretion, secretary, open secret, keep a secret, secretariat, secretively, secretarial, secret ballot, secret police, hypersecretion, secretary of war, undersecretary, secretary general, secretary of state, secrecy, lose credit, copse, synopses, tops, stops, necropsy, autopsy, topsoil, top speed.