33 entries under underhanded topic. ×

1
oblique(dishonest, cunning, deceitful, tricky, crafty)
1
sub-rosa(dishonest, cunning, deceitful, sneaky)
1
two-timing(adjective, wrong, false, dishonest, cunning)
1
under wraps(expression, dishonest, cunning, deceitful, sneaky)
1
undercover(dishonest, cunning, deceitful, sneaky)
1
unfair(adjective, false, dishonest, cunning, deceitful)
0
concealed(dishonest, cunning, deceitful, sneaky)
0
dirty-dealing(dishonest, cunning, deceitful, sneaky)
0
dirty dealing(expression, dishonest, deceitful)
0
on the QT(expression, dishonest, cunning, deceitful, sneaky)
0
on the quiet(expression, dishonest, cunning, deceitful, sneaky)
0
unethical(dishonest, cunning, deceitful, sneaky)
0
unjust(dishonest, cunning, deceitful, sneaky)
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APASmart Define. (2016). guileful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/guileful/thesaurus/synonyms
ChicagoSmart Define. 2016. "guileful thesaurus" https://smartdefine.org/guileful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, guileful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/guileful/thesaurus/synonyms>.
MLASmart Define. "guileful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/guileful/thesaurus/synonyms>