2
pseudo(adjective, fake, counterfeit, sham, phony)
2
scheming
2
shady(adjective, fake, false, counterfeit, dishonest)
2
sham(adjective, wrong, fake, counterfeit, dishonest)
2
slick(adjective, false, dishonest, deceitful, dubious)
2
slippery(adjective, false, dishonest, deceitful, lying)
2
sneaky(adjective, false, dishonest, cunning, deceitful)
2
tricky(adjective, wrong, false, dishonest, cunning)
2
unctuous(adjective, false, deceitful, lying, untruthful)
2
underhanded(adjective, false, dishonest, cunning, deceitful)
2
unprincipled(adjective, false, dishonest, deceitful, lying)
2
unscrupulous(adjective, false, deceitful, lying, untruthful)
1
artful
1
concocted(adjective, wrong, fake, counterfeit, dishonest)
1
Machiavellian
1
contrary to fact(expression, adjective, idiom, wrong, fake)
1
cooked-up(adjective, wrong, fake, counterfeit, dishonest)
1
counterfactual(adjective, wrong, fake, counterfeit, dishonest)
1
cynical
1
delusive(adjective, wrong, fake, false, counterfeit)
11 years ago|13k views|share |citing 
APASmart Define. (2015). mendacious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mendacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "mendacious thesaurus" https://smartdefine.org/mendacious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mendacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mendacious/thesaurus/synonyms>.
MLASmart Define. "mendacious thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/mendacious/thesaurus/synonyms>