35 entries under underhanded topic. ×

1
incognito(secret, hidden, spy, clandestine, underground)
1
indirect(dishonest, cunning, deceitful, sly, devious)
1
on the quiet(expression, dishonest, cunning, deceitful, sneaky)
1
shady(adjective, dishonest, cunning, deceitful, sneaky)
1
two-faced(dishonest, cunning, deceitful, sneaky)
1
veiled(adjective, secret, private, hidden, clandestine)
0
dirty-dealing(dishonest, cunning, deceitful, sneaky)
0
dirty dealing(expression, dishonest, deceitful)
0
double-crossing(dishonest, cunning, deceitful, sneaky)
0
oblique(dishonest, cunning, deceitful, sneaky)
0
shrouded(secret, hidden, clandestine, underground, undisclosed)
0
two-timing(dishonest, cunning, deceitful, sneaky)
0
unethical(dishonest, cunning, deceitful, sneaky)
0
unfair(dishonest, cunning, deceitful, sneaky)
0
unjust(dishonest, cunning, deceitful, sneaky)
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APASmart Define. (2015). stealthy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stealthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthy thesaurus" https://smartdefine.org/stealthy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, stealthy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stealthy/thesaurus/synonyms>.
MLASmart Define. "stealthy thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/stealthy/thesaurus/synonyms>