12
double-dealing(adjective, fake, false, corrupt, dishonest)
11
duplicitous(adjective, false, dishonest, deceitful, crafty)
11
fallacious(adjective, wrong, fake, false, counterfeit)
10
dishonorable(adjective, false, corrupt, dishonest, cunning)
10
lying(adjective, wrong, fake, false, counterfeit)
10
unscrupulous(adjective, false, corrupt, dishonest, immoral)
9
corrupt(adjective, low, base, false, dishonest)
9
devious(adjective, false, dishonest, cunning, deceitful)
9
insincere(adjective, fake, false, counterfeit, dishonest)
9
knavish(adjective, false, dishonest, immoral, cunning)
9
phony(adjective, wrong, fake, false, counterfeit)
9
shifty(adjective, false, corrupt, dishonest, cunning)
9
simulated(adjective, fake, false, counterfeit, mock)
9
synthetic(adjective, fake, counterfeit, mock, sham)
9
underhand(adjective, false, corrupt, dishonest, cunning)
8
ersatz(adjective, wrong, fake, false, counterfeit)
8
mendacious(adjective, wrong, fake, false, counterfeit)
8
shady(adjective, fake, false, counterfeit, corrupt)
8
two-faced(adjective, fake, false, dishonest, sham)
8
untruthful(adjective, wrong, fake, false, counterfeit)
11 years ago|15k views|share |citing 
APASmart Define. (2015). fraudulent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fraudulent/thesaurus/synonyms
ChicagoSmart Define. 2015. "fraudulent thesaurus" https://smartdefine.org/fraudulent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fraudulent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fraudulent/thesaurus/synonyms>.
MLASmart Define. "fraudulent thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fraudulent/thesaurus/synonyms>