4
natural(adjective, open, direct, free, correct)
4
on the level(expression, adjective, idiom, good, close)
4
plain(adjective, open, free, honest, fair)
4
unreserved(adjective, open, free, honest, plain)
3
believable(adjective, close, open, correct, honest)
3
bona fide(expression, adjective, idiom, good, correct)
3
certain(adjective, correct, honest, perfect, exact)
3
kosher(adjective, good, open, correct, right)
3
lawful(adjective, open, correct, right, honest)
3
loyal(adjective, close, correct, firm, honest)
3
perfect(adjective, correct, right, honest, exact)
3
plain-spoken(adjective, open, free, honest, plain)
3
plainspoken(adjective, open, honest, plain, straight)
3
saying what one thinks(expression, idiom, open, direct, free)
3
sound(adjective, honest, true, natural, straight)
3
transparent(adjective, open, direct, free, easy)
3
true-life(adjective, honest, true, natural, real)
3
true to life(expression, adjective, idiom, close, correct)
3
truth-telling(adjective, open, honest, straight, accurate)
3
undisguised(open, free, honest, plain, fair)
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APASmart Define. (2015). truthful thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/truthful/thesaurus/synonyms
ChicagoSmart Define. 2015. "truthful thesaurus" https://smartdefine.org/truthful/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, truthful thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/truthful/thesaurus/synonyms>.
MLASmart Define. "truthful thesaurus" 24 October 2015. Web. 24 September 2026. <https://smartdefine.org/truthful/thesaurus/synonyms>