70 entries under adjective topic. ×

10
hypocritical(false, dishonest, deceitful, pretending)
7
outrageous
7
untruthful(open, false, dishonest)
6
dishonest(good, open, honest, false)
5
lying(false, dishonest)
5
deceitful(open, honest, false, dishonest)
5
false(open, sound, right, dishonest)
4
deceptive(open, dishonest, reliable)
3
devious(open, fair, false, dishonest)
3
fraudulent(open, genuine)
3
inaccurate(false, dishonest)
3
mendacious
2
crooked
2
fallacious(wrong, false)
2
fictitious(honest, untrue, factual)
2
furtive(sneaky, secretive)
2
immoral(good, moral)
2
insidious
2
insincere(open, false, dishonest, sincere)
2
treacherous
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APASmart Define. (2015). truthful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/truthful/thesaurus/antonyms
ChicagoSmart Define. 2015. "truthful thesaurus" https://smartdefine.org/truthful/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, truthful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/truthful/thesaurus/antonyms>.
MLASmart Define. "truthful thesaurus" 24 October 2015. Web. 26 September 2026. <https://smartdefine.org/truthful/thesaurus/antonyms>