37 entries under underhanded topic. ×

1
sly(corrupt, dishonest, immoral, cunning, deceitful)
1
sneaking(adjective, false, dishonest, cunning, deceitful)
1
sneaky(adjective, bad, wrong, false, dishonest)
1
tricky(adjective, wrong, false, corrupt, dishonest)
1
unfair(adjective, bad, wrong, false, dishonest)
1
unjust(dishonest, cunning, deceitful, crooked, sneaky)
1
unscrupulous(adjective, bad, wrong, false, corrupt)
1
wily(adjective, false, dishonest, cunning, deceitful)
0
concealed(dishonest, cunning, deceitful, sneaky)
0
furtive(dishonest, cunning, deceitful, sneaky)
0
hush-hush(dishonest, cunning, deceitful, sneaky)
0
secret(dishonest, cunning, deceitful, sneaky)
0
secretive(dishonest, cunning, deceitful, sneaky)
0
stealthy(dishonest, cunning, deceitful, sneaky)
0
surreptitious(dishonest, cunning, deceitful, sneaky)
0
under wraps(expression, dishonest, cunning, deceitful, sneaky)
0
undercover(dishonest, cunning, deceitful, sneaky)
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APASmart Define. (2015). double-crossing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/double-crossing/thesaurus/synonyms
ChicagoSmart Define. 2015. "double-crossing thesaurus" https://smartdefine.org/double-crossing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, double-crossing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/double-crossing/thesaurus/synonyms>.
MLASmart Define. "double-crossing thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/double-crossing/thesaurus/synonyms>