63 entries under untruthful topic. ×

4
prevaricating(adjective, wrong, false, dishonest, deceitful)
4
underhand(adjective, false, dishonest, cunning, deceitful)
4
unfair(adjective, false, dishonest, deceitful, lying)
4
wrong(adjective, fake, false, counterfeit, dishonest)
3
corrupt(adjective, false, deceitful, lying)
3
cunning(adjective, false, dishonest, deceitful, lying)
3
wily(adjective, false, dishonest, cunning, deceitful)
2
deceiving(adjective, wrong, fake, false, counterfeit)
2
designing(adjective, false, dishonest, cunning, deceitful)
2
dissimulating(noun, adjective, wrong, false, dishonest)
2
feigned(adjective, fake, false, counterfeit, dishonest)
2
guileful(adjective, wrong, false, dishonest, cunning)
2
shady(adjective, fake, false, counterfeit, dishonest)
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)
2
underhanded(adjective, false, dishonest, cunning, deceitful)
2
unprincipled(adjective, false, dishonest, deceitful, lying)
2
unscrupulous(adjective, false, deceitful, lying)
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APASmart Define. (2015). mendacious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mendacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "mendacious thesaurus" https://smartdefine.org/mendacious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, mendacious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mendacious/thesaurus/synonyms>.
MLASmart Define. "mendacious thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/mendacious/thesaurus/synonyms>