Synonyms|358Antonyms|72|Broader|2Narrower|0Related|322

30 entries under undisclosed topic. ×

11
sneak(adjective, clandestine, underground)
7
backstairs(adjective, clandestine, underground)
7
cloak-and-dagger(adjective, full, secret, clandestine, underground)
4
ambiguous(obscure, clandestine, underground)
4
reticent(clandestine, underground, concealment)
3
classified(secret, clandestine, underground, top-secret)
3
closet(noun, adjective, secret, clandestine, underground)
3
conspiratorial(adjective, clandestine, underground, sneaky)
3
in ambush(expression, clandestine, underground)
2
inside(clandestine, underground)
1
backdoor(clandestine, underground)
1
camouflaged(secret, hidden, clandestine, underground)
1
discreet(clandestine, underground)
1
dissembled(secret, hidden, clandestine, underground)
1
dissimulated(clandestine, underground)
1
top secret(expression, idiom, clandestine, underground)
1
unacknowledged(clandestine, underground)
1
under false pretense(expression, idiom, clandestine, underground)
0
arcane(clandestine, underground)
0
deep(clandestine, underground)
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APASmart Define. (2015). surreptitious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>