Definition of top secret
- a top secret weapon
- a top secret meeting
The mission is top secret.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'top secret.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: kept completely secret by high government officials
Spanish Central: Translation of top secret
What made you want to look up top secret? Please tell us where you read or heard it (including the quote, if possible).
of the same or a similar kind or nature
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