adjective (of information, a document, etc.)
Examples from the Web for top-secret
A fire that he insists is only picking up pace, according to top-secret intelligence briefings.
They described the top-secret force in detail on condition of anonymity because they were not authorized to speak publicly.
Those looking to solve the mystery of the top-secret event stood in line beginning at 7am, but weren't let inside until 2pm.A.P.C. Releases Kanye West Collection; Max Azria Faces Insurmountable Debt|The Fashion Beast Team|July 15, 2013|DAILY BEAST
About half a million other private contractors have top-secret clearance.Surveillance Program Got You Yawning? Here’s Why You Should Worry|Josh Dzieza|June 11, 2013|DAILY BEAST
The top-secret ‘Q Group’ has been chasing Edward Snowden since he disappeared in May.Inside the ‘Q Group,’ the Directorate Hunting Down Edward Snowden|Eli Lake|June 10, 2013|DAILY BEAST
Now it was the Swifts' top-secret rocket base, tightly guarded by drone planes and radar.Tom Swift and The Visitor from Planet X|Victor Appleton
Temple was a thermo-nuclear engineer with top-secret government clearance.Voyage To Eternity|Milton Lesser
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?
Senator Crane, a doggedly determined man, had listened to the replay of Brent Taber's top-secret conference again and again.