62 entries under clandestine topic. ×

20
close(adjective, quiet, soft, low, restrained)
16
secret(adjective, quiet, mean, smooth, obscure)
15
reticent(adjective, close, quiet, soft, low)
11
covert(adjective, mean, smooth, secret)
11
sneaky(adjective, honest, dishonest, secret)
8
surreptitious(adjective, mean, smooth, honest, dishonest)
6
evasive(adjective, obscure, reserved, reticent, wary)
6
stealthy(adjective, mean, dishonest, cunning)
6
cryptic(adjective, obscure, strange, mysterious, secret)
5
hidden(adjective, quiet, obscure, plain, strange)
4
dark(adjective, close, strange, reticent)
4
discreet(adjective, close, quiet, soft, low)
3
backstairs(adjective, mysterious, private, restricted, reticent)
3
confidential(adjective, restricted, underground, discreet)
3
retired(adjective, quiet, humble, distant, minor)
2
classified(underground, undisclosed)
2
enigmatical(adjective, strange, underground, undisclosed)
2
hush-hush(adjective, quiet, dishonest, cunning, deceitful)
2
secluded(adjective, quiet, humble, distant, minor)
1
abstruse(strange, unknown, underground, curious)
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APASmart Define. (2015). secretive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/secretive/thesaurus/synonyms
ChicagoSmart Define. 2015. "secretive thesaurus" https://smartdefine.org/secretive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, secretive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/secretive/thesaurus/synonyms>.
MLASmart Define. "secretive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/secretive/thesaurus/synonyms>