Synonyms|359Antonyms|51|Broader|0Narrower|0Related|25

81 entries under clandestine topic. ×

18
secret(adjective, quiet, show, separate, dishonest)
14
covert(adjective, show, secret, hidden)
11
confidential(adjective, show, separate, intimate, secret)
10
undercover(adjective, show, dishonest, secret, hidden)
7
hidden(adjective, quiet, separate, reserved, secret)
6
classified(noun, adjective, intimate, secret, private)
6
cloak-and-dagger(adjective, show, full, secret)
6
restricted(adjective, close, secret, hidden)
5
under wraps(expression, adjective, idiom, show, dishonest)
5
underground(adjective, secret, hidden, spy)
4
inside(adjective, show, intimate, private, personal)
4
under-the-table(adjective, secret, private, hidden)
4
undisclosed(adjective, personal, underground, confidential)
3
arcane(intimate, secret, private, underground)
3
close(adjective, quiet, reserved, intimate, secret)
3
top secret(noun, expression, adjective, secret, restricted)
2
backstairs(underground, undisclosed)
2
cryptic(underground, undisclosed)
2
disguised(secret, hidden, concealed, sneaky)
2
esoteric(underground, undisclosed)
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APASmart Define. (2015). hush-hush thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hush-hush/thesaurus/synonyms
ChicagoSmart Define. 2015. "hush-hush thesaurus" https://smartdefine.org/hush-hush/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, hush-hush thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hush-hush/thesaurus/synonyms>.
MLASmart Define. "hush-hush thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/hush-hush/thesaurus/synonyms>