Synonyms|381Antonyms|105|Broader|2Narrower|0Related|179

52 entries under underground topic. ×

14
sneak(adjective, quiet, clandestine, undisclosed)
5
backstairs(adjective, clandestine, undisclosed)
5
deep(cunning, clandestine, undisclosed)
3
closet(adjective, clandestine, undisclosed)
3
confidential(adjective, secret, hidden, spy, clandestine)
3
discreet(adjective, caution, clandestine, undisclosed)
2
arcane(adjective, secret, clandestine, undisclosed)
2
buried(adjective, secret, hidden, clandestine)
2
camouflaged(adjective, secret, hidden, clandestine)
2
classified(adjective, secret, clandestine, undisclosed)
2
close(clandestine, undisclosed, concealment)
2
esoteric(clandestine, undisclosed)
2
in ambush(expression, clandestine, undisclosed)
2
mystical(clandestine, undisclosed)
2
obscured(adjective, secret, hidden, clandestine)
2
restricted(adjective, secret, clandestine, undisclosed)
2
reticent(clandestine, undisclosed, concealment)
1
backdoor(clandestine, undisclosed)
1
cloak-and-dagger(adjective, full, clandestine, undisclosed)
1
conspiratorial(adjective, clandestine, sneaky, covert)
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APASmart Define. (2015). stealthy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stealthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthy thesaurus" https://smartdefine.org/stealthy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stealthy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stealthy/thesaurus/synonyms>.
MLASmart Define. "stealthy thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/stealthy/thesaurus/synonyms>