Top-secret meaning

tŏp'sē'krĭt
Containing information whose unauthorized disclosure would pose the gravest threat to national security.

Authorized for access to top-secret reports.

adjective
0
0
Of or relating to top-secret information.

Top-secret clearance.

adjective
0
0
Accessible or known to authorized personnel only.

A top-secret reconnaissance mission.

adjective
0
0
Designating or of the most highly restricted military or government information.
adjective
0
0
Having the highest secrecy classification.
adjective
0
0
Advertisement
(military) Information classified at the highest level of sensitivity by a government, based on an assessment that it would cause exceptionally grave damage to national security if disclosed.

NSA's report on the Liberty incident was originally classified top secret.

adjective
0
0
A level of security clearance needed to access such information.
adjective
0
0
(figuratively) Pertaining to any especially sensitive closed-room activities.

Steve Jobs set up a top secret team to design the Macintosh.

adjective
0
0