69 entries under deceitful topic. ×

1
deceptive(dishonest, cunning, crooked, sneaky)
1
dirty-dealing(adjective, wrong, corrupt, dishonest, immoral)
1
double-crossing(adjective, wrong, corrupt, dishonest, immoral)
1
duplicitous(dishonest, cunning, fickle, untrustworthy)
1
furtive(dishonest, cunning, sneaky, underhanded)
1
low(adjective, corrupt, dishonest, immoral)
1
oblique(dishonest, cunning, crooked, sneaky)
1
on the QT(expression, idiom, dishonest, cunning)
1
on the quiet(expression, idiom, dishonest, cunning)
1
petty(adjective, corrupt, dishonest, immoral)
1
secret(dishonest, cunning, sneaky, underhanded)
1
sneaking(adjective, low, dishonest, cunning)
1
sub-rosa(dishonest, cunning, fickle, untrustworthy)
1
surreptitious(dishonest, cunning, sneaky, underhanded)
1
two-timing(adjective, wrong, corrupt, dishonest, immoral)
1
undutiful(wicked, immoral, fickle, untrustworthy)
1
unfaithful(adjective, wicked, dishonest, immoral)
1
ungodly(wrong, rude, wicked, vulgar, immoral)
1
wily(dishonest, cunning, sneaky, underhanded)
0
below the belt(expression, adjective, idiom, corrupt, dishonest)
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APASmart Define. (2015). unethical thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unethical/thesaurus/synonyms
ChicagoSmart Define. 2015. "unethical thesaurus" https://smartdefine.org/unethical/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unethical thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unethical/thesaurus/synonyms>.
MLASmart Define. "unethical thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unethical/thesaurus/synonyms>