85 entries under clandestine topic. ×

1
unacknowledged(underground, undisclosed)
1
under false pretense(expression, idiom, underground, undisclosed)
1
under wraps(expression, dishonest, cunning, deceitful)
1
veiled(secret, hidden, underground, undisclosed)
0
QT(secret, hidden, underground, privy)
0
abstruse(underground, undisclosed)
0
ambiguous(false, misleading, underground, illusory)
0
arcane(underground, undisclosed)
0
buried(secret, hidden, underground, privy)
0
cloak-and-dagger(underground, undisclosed)
0
close(underground, undisclosed)
0
closet(underground, undisclosed)
0
clouded(underground, undisclosed)
0
conspiratorial(underground, undisclosed, sneaky, covert)
0
covered(underground, undisclosed)
0
cryptic(underground, undisclosed)
0
deep(cunning, sly, crafty, underground)
0
enigmatical(underground, undisclosed)
0
esoteric(underground, undisclosed)
0
incog(secret, hidden, underground, privy)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 26 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>