3
authentic(adjective, good, simple, fair, proper)
3
bluff
3
bold(adjective, open, direct, free, easy)
3
careless
3
correct(adjective, open, honest, straight, veracious)
3
crude(adjective, simple, natural, straightforward, naive)
3
factual(adjective, open, honest, straight, veracious)
3
inexpert(adjective, fresh, raw, innocent, inexperienced)
3
innocuous(adjective, simple, fresh, innocent, ignorant)
3
instinctive(adjective, open, simple, easy, innocent)
3
raw(adjective, simple, clean, natural, straightforward)
3
scrupulous(open, free, honest, plain, fair)
3
simple-minded(simple, straightforward, fresh, innocent, ignorant)
3
square(adjective, open, simple, honest, straightforward)
3
unartful(adjective, honest, innocent, artless, unworldly)
3
unconstrained
3
unknowing(naive, unwitting)
3
unpretentious(adjective, open, simple, easy, plain)
3
unwary
3
upright(adjective, good, open, direct, free)
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APASmart Define. (2015). ingenuous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ingenuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingenuous thesaurus" https://smartdefine.org/ingenuous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ingenuous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ingenuous/thesaurus/synonyms>.
MLASmart Define. "ingenuous thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/ingenuous/thesaurus/synonyms>