2
forthright(adjective, honest, straightforward)
2
honorable
2
just
2
precise
2
proper
2
righteous
2
sincere
2
sound
2
straight
2
trustable
2
upright
2
upstanding
2
valid
1
aboveboard
1
authentic
1
confirmed
1
decent
1
demonstrated
1
earnest
1
errorless
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APASmart Define. (2015). untruthful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/untruthful/thesaurus/antonyms
ChicagoSmart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, untruthful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/untruthful/thesaurus/antonyms>.
MLASmart Define. "untruthful thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/untruthful/thesaurus/antonyms>