47 entries under dubious topic. ×

18
mendacious(noun, adjective, wrong, fake, honest)
17
lying(noun, adjective, wrong, fake, honest)
16
deceitful(noun, adjective, wrong, fake, honest)
12
dishonest(adjective, wrong, fake, honest, false)
10
crooked(adjective, false, corrupt, dishonest, deceitful)
10
fraudulent(adjective, wrong, fake, false, counterfeit)
8
shifty(noun, adjective, wrong, false, corrupt)
6
treacherous(adjective, wrong, false, corrupt, dishonest)
6
untrustworthy(adjective, wrong, false, dishonest, cunning)
5
crafty(adjective, false, corrupt, dishonest, cunning)
5
tricky(adjective, wrong, false, dishonest, cunning)
4
cheating(adjective, wrong, false, corrupt, dishonest)
4
duplicitous(adjective, false, dishonest, deceitful)
4
evasive(adjective, false, dishonest, deceitful)
4
perfidious(noun, adjective, wrong, false, dishonest)
4
shady(adjective, fake, false, counterfeit, corrupt)
4
sneaky(adjective, false, corrupt, dishonest, cunning)
4
wily(adjective, false, dishonest, cunning, deceitful)
3
cunning(adjective, false, dishonest, deceitful, lying)
3
devious(adjective, evil, false, corrupt, dishonest)
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APASmart Define. (2015). untruthful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/untruthful/thesaurus/synonyms
ChicagoSmart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, untruthful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/untruthful/thesaurus/synonyms>.
MLASmart Define. "untruthful thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/untruthful/thesaurus/synonyms>