1
chiseling
1
cloak-and-dagger(hidden, clandestine, underground, fraudulent, undisclosed)
1
cloaked(secret, hidden, clandestine, underground, sneaky)
1
complicated(ambiguous, rambling, incidental, circuitous, tortuous)
1
confidential(secret, hidden, spy, clandestine, underground)
1
conscienceless(corrupt, dishonest, immoral, unprincipled)
1
constructive
1
contingent(ambiguous, rambling, incidental, circuitous, tortuous)
1
contriving(adjective, cunning)
1
counterfeit
1
craftily
1
cutting(sharp, smart, intelligent, prudent, clever)
1
delitescent
1
delusive(adjective, mean, smooth, smart, false)
1
deviously
1
dirty-dealing(adjective, wrong, corrupt, dishonest, immoral)
1
discerning(sharp, smart, intelligent, clever, astute)
1
discriminating(sharp, smart, intelligent, prudent, clever)
1
disguised(secret, hidden, clandestine, underground, sneaky)
1
disloyal(fickle, untrustworthy, unprincipled, unfaithful, traitorous)
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APASmart Define. (2015). underhand thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms
ChicagoSmart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underhand thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>.
MLASmart Define. "underhand thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/underhand/thesaurus/synonyms>