12
untruthful(adjective, wrong, fake, honest, false)
12
venal(adjective, honest, corrupt, immoral, deceitful)
11
immoral(adjective, bad, wrong, evil, corrupt)
11
knavish(adjective, false, wicked, immoral, cunning)
10
counterfeit(adjective, fake, false, sham, cunning)
10
criminal(adjective, fake, corrupt, wicked, immoral)
10
deceiving(adjective, wrong, fake, false, counterfeit)
10
disloyal(adjective, mean, bad, false, immoral)
10
sinister(adjective, evil, nasty, false, deceitful)
10
unethical(adjective, bad, wrong, corrupt, wicked)
10
unreliable(adjective, wrong, false, deceitful, lying)
10
villainous(adjective, mean, bad, wrong, false)
9
designing(adjective, mean, smooth, smart, false)
9
disreputable(adjective, bad, wrong, false, immoral)
9
evasive(adjective, deceitful, dubious, unreliable, falsehood)
9
guileful(adjective, mean, smooth, wrong, smart)
9
underhanded(adjective, false, corrupt, immoral, cunning)
9
untrue(adjective, wrong, fake, false, counterfeit)
8
double-faced(adjective, deceitful, fickle, unprincipled, dirty-dealing)
8
evil(adjective, mean, bad, nasty, base)
10 years ago|30k views|share |citing 
APASmart Define. (2016). dishonest thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dishonest/thesaurus/synonyms
ChicagoSmart Define. 2016. "dishonest thesaurus" https://smartdefine.org/dishonest/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, dishonest thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dishonest/thesaurus/synonyms>.
MLASmart Define. "dishonest thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/dishonest/thesaurus/synonyms>