23 entries under underhanded topic. ×

7
furtive(dishonest, cunning, deceitful, indirect, sneaky)
3
clandestine(dishonest, cunning, deceitful, sneaky)
1
dirty-dealing(dishonest, cunning, deceitful, crooked, sneaky)
1
dishonorable(dishonest, cunning, deceitful, crooked, sneaky)
1
double-crossing(dishonest, cunning, deceitful, crooked, sneaky)
1
guileful(dishonest, cunning, deceitful, tricky, crafty)
1
slippery(false, dishonest, cunning, deceitful, crooked)
1
sub-rosa(dishonest, cunning, deceitful, crooked, sneaky)
1
two-faced(false, dishonest, cunning, deceitful, crooked)
1
two-timing(dishonest, cunning, deceitful, crooked, sneaky)
1
unethical(dishonest, cunning, deceitful, crooked, sneaky)
1
unfair(dishonest, cunning, deceitful, crooked, sneaky)
1
unjust(dishonest, cunning, deceitful, crooked, sneaky)
1
unscrupulous(dishonest, cunning, deceitful, crooked, sneaky)
0
concealed(obscure, dishonest, cunning, deceitful, indirect)
0
dirty dealing(expression, dishonest, deceitful)
0
hush-hush(dishonest, cunning, deceitful, sneaky)
0
on the QT(expression, dishonest, cunning, deceitful, sneaky)
0
secret(obscure, dishonest, cunning, deceitful, indirect)
0
secretive(dishonest, cunning, deceitful, sneaky)
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APASmart Define. (2015). oblique thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/oblique/thesaurus/synonyms
ChicagoSmart Define. 2015. "oblique thesaurus" https://smartdefine.org/oblique/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, oblique thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/oblique/thesaurus/synonyms>.
MLASmart Define. "oblique thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/oblique/thesaurus/synonyms>