168 entries under adjective topic. ×

6
stealthy(mean, dishonest, cunning, clandestine)
6
cryptic(obscure, strange, mysterious, secret)
6
tightlipped
5
closelipped
5
elusive(mean, smooth, sly, sneaky)
5
hidden(quiet, obscure, plain, strange)
5
quiet(close, soft, gentle, low)
4
dark(close, strange, reticent, clandestine)
4
discreet(close, quiet, soft, low)
4
incommunicative(quiet, tightlipped)
4
mute(close, quiet, soft, low)
4
undercover(dishonest, cunning, deceitful, mysterious)
4
unsociable(quiet, shy, unfriendly, reserved)
3
buttoned up(verb, expression, phrasal verb, close)
3
backstairs(mysterious, private, restricted, reticent)
3
cagy(secret, sneaky, stealthy)
3
confidential(restricted, clandestine, underground, discreet)
3
devious(dishonest, cunning, deceitful, sly)
3
dishonest(secret, sneaky, stealthy)
3
enigmatic(strange, mysterious, private, reticent)
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APASmart Define. (2015). secretive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/secretive/thesaurus/synonyms
ChicagoSmart Define. 2015. "secretive thesaurus" https://smartdefine.org/secretive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, secretive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/secretive/thesaurus/synonyms>.
MLASmart Define. "secretive thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/secretive/thesaurus/synonyms>