Synonyms|406Antonyms|88|Broader|11Narrower|7Related|430

64 entries under clandestine topic. ×

1
underhand(secret, hidden, spy, underground)
1
unfrequented(close, quiet, private, isolated)
1
unpublished(adjective, underground, undisclosed)
0
abstruse(underground, undisclosed)
0
ambiguous(underground, undisclosed)
0
cloak-and-dagger(secret, underground, undisclosed, top-secret)
0
clouded(underground, undisclosed)
0
conspiratorial(underground, undisclosed)
0
covered(underground, undisclosed)
0
enigmatical(underground, undisclosed)
0
mysterious(underground, undisclosed)
0
obscure(underground, undisclosed)
0
recondite(underground, undisclosed)
0
strange(underground, undisclosed)
0
top-secret(secret, underground, undisclosed, classified)
0
unacknowledged(underground, undisclosed)
0
under false pretense(expression, idiom, underground, undisclosed)
0
underground(secret, hidden, spy, undisclosed)
0
unenlightened(underground, undisclosed)
0
unintelligible(underground, undisclosed)
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APASmart Define. (2015). confidential thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/confidential/thesaurus/synonyms
ChicagoSmart Define. 2015. "confidential thesaurus" https://smartdefine.org/confidential/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, confidential thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/confidential/thesaurus/synonyms>.
MLASmart Define. "confidential thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/confidential/thesaurus/synonyms>