Synonyms|128Antonyms|3|Broader|4Narrower|0Related|53

68 entries under clandestine topic. ×

5
secret(adjective, sensitive, intimate, private, hidden)
3
stealthy(adjective, underground, undisclosed)
2
backstairs(adjective, close, sensitive, secret, restricted)
2
confidential(adjective, intimate, secret, private)
2
covert(adjective, underground, undisclosed)
2
cryptic(adjective, close, obscure, unknown, inside)
2
furtive(adjective, close, obscure, unknown)
2
surreptitious(adjective, underground, undisclosed)
2
undercover(adjective, underground, undisclosed)
2
underground(adjective, obscure, unknown, undisclosed)
2
underhanded(adjective, underground, undisclosed)
1
camouflaged(close, obscure, unknown, underground)
1
classified(obscure, sensitive, intimate, secret, private)
1
cloak-and-dagger(obscure, unknown, underground, undisclosed)
1
close(obscure, intimate, private, unknown, inside)
1
clouded(obscure, unknown, underground, undisclosed)
1
conspiratorial(obscure, unknown, underground, undisclosed)
1
covered(obscure, unknown, underground, undisclosed)
1
discreet(close, inside, underground, undisclosed)
1
disguised(obscure, unknown, underground, undisclosed)
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ChicagoSmart Define. 2013. "backdoor thesaurus" https://smartdefine.org/backdoor/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, backdoor thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/backdoor/thesaurus/synonyms>.
MLASmart Define. "backdoor thesaurus" 19 May 2013. Web. 25 September 2026. <https://smartdefine.org/backdoor/thesaurus/synonyms>