Top-secret synonyms | adjectives

Synonyms for Top-secret as an Adjective

• classified

  highly classified
• hush-hush

  highly classified
• under wraps

  highly classified
• secret
• restricted
• top secret
• sensitive
• close
• confidential
• under false pretense
• hidden away
• sub-rosa
• not for publication
• privileged
• buttoned up
• kept concealed
• backdoor
• on the QT
• unacknowledged
• in ambush
• with a lid on
• for eyes only
• backstairs
• under-the-table
• under the table
• undisclosed
• hidden
• unrevealed
• mysterious
• dark
• occult
• arcane
• cryptic
• esoteric
• clandestine
• underground
• surreptitious
• furtive
• stealthy
• cloak-and-dagger
• underhand
• closet
• covert
• obscure
• private
• secluded
• undercover
• unknown
• unpublished
• deep