6
truthful(adjective, open, honest, false, dishonest)
5
true(adjective, wrong, improper, incorrect)
5
trustworthy(adjective, open, false, doubtful, truthful)
4
accurate
4
honest(adjective, open, false, corrupt, candid)
4
loyal
3
correct
3
exact
3
factual(adjective, correct, real)
3
faithful(adjective, open, cool, weak, false)
3
reliable
3
right
3
straightforward
3
trusty
3
veracious
2
beknighted
2
candid
2
conscientious
2
dependable
2
direct
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APASmart Define. (2015). untruthful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/untruthful/thesaurus/antonyms
ChicagoSmart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, untruthful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/untruthful/thesaurus/antonyms>.
MLASmart Define. "untruthful thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/untruthful/thesaurus/antonyms>