Synonyms for top-secret
EXAMPLES FROM THE WEB FOR TOP-SECRET
You'd think so, with all the top-secret precautions that have been taken.
I've got some news for you concerning that top-secret gadget you told us about.
A good thing, too, otherwise the enemy would be getting our top-secret information in print all the time.
Now it was the Swifts' top-secret rocket base, tightly guarded by drone planes and radar.
Senator Crane, a doggedly determined man, had listened to the replay of Brent Taber's top-secret conference again and again.
The higher you went in these top-secret projects, the more silence and stubbornness you found.
Or had he, the Vice-President, been in a fog when vital, top-secret information had been made public?
He went to a shelf and brought down a boxed machine,—straight from the top-secret manufactory of Mahon units.
Temple was a thermo-nuclear engineer with top-secret government clearance.