Synonyms|1kAntonyms|192|Broader|16Narrower|19Related|1.2k

51 entries under clandestine topic. ×

2
top-secret(underground, undisclosed)
2
top secret(expression, underground, undisclosed)
2
unacknowledged(underground, undisclosed)
2
under wraps(expression, underground, undisclosed)
1
backstairs(private, reticent, underground, undisclosed)
1
cloak-and-dagger(adjective, obscure, full, unknown)
1
confidential(adjective, underground, undisclosed)
1
incognito(strange, indefinite, underground, undisclosed)
1
inside(underground, undisclosed)
1
out-of-the-way(obscure, complex, unknown, underground)
1
retired(obscure, unknown, underground, undisclosed)
1
underhanded(underground, undisclosed)
0
backdoor(obscure, unknown, underground, undisclosed)
0
camouflaged(obscure, unknown, underground, undisclosed)
0
closet(obscure, unknown, underground, undisclosed)
0
conspiratorial(obscure, unknown, underground, undisclosed)
0
discreet(underground, undisclosed)
0
dissembled(underground, undisclosed)
0
dissimulated(underground, undisclosed)
0
in ambush(expression, underground, undisclosed)
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APASmart Define. (2016). mysterious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, mysterious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>.
MLASmart Define. "mysterious thesaurus" 24 February 2016. Web. 29 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms>