49 entries under underhanded topic. ×

2
under-the-table(secret, private, hidden, clandestine, sneaky)
1
camouflaged(obscure, secret, hidden, clandestine, indirect)
1
crafty(dishonest, cunning, deceitful, sneaky)
1
cunning(dishonest, deceitful, sneaky, covert)
1
dissembled(secret, hidden, clandestine, underground, undisclosed)
1
guileful(dishonest, cunning, deceitful, sneaky)
1
tricky(dishonest, cunning, deceitful, sneaky)
1
wily(dishonest, cunning, deceitful, sneaky)
0
crooked(dishonest, cunning, deceitful, sneaky)
0
deceitful(dishonest, sneaky)
0
deceptive(dishonest, cunning, deceitful, sneaky)
0
devious(dishonest, cunning, deceitful, sneaky)
0
dirty-dealing(dishonest, cunning, deceitful, sneaky)
0
dirty dealing(expression, dishonest, deceitful)
0
dishonest(cunning, deceitful, sneaky, underhand)
0
dishonorable(dishonest, cunning, deceitful, sneaky)
0
double-crossing(dishonest, cunning, deceitful, sneaky)
0
duplicitous(dishonest, cunning, deceitful, sneaky)
0
indirect(obscure, dishonest, cunning, deceitful)
0
oblique(obscure, dishonest, cunning, deceitful, indirect)
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APASmart Define. (2015). undercover thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undercover/thesaurus/synonyms
ChicagoSmart Define. 2015. "undercover thesaurus" https://smartdefine.org/undercover/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, undercover thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undercover/thesaurus/synonyms>.
MLASmart Define. "undercover thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/undercover/thesaurus/synonyms>