93 entries under simple topic. ×

8
trusting(adjective, open, easy, clean)
7
aboveboard(adjective, open, direct, free)
7
spontaneous(honest, pure, natural, fresh)
7
unworldly(adjective, honest, natural, straightforward)
6
ignorant(adjective, open, easy, innocent)
6
fresh(adjective, ignorant, innocuous, harmless, childlike)
6
unartificial(adjective, clean, honest, natural)
6
unsuspicious(adjective, innocent, ignorant, naive)
5
callow(adjective, natural, straightforward, fresh)
5
confiding(easy, fresh, innocent, ignorant)
5
gullible(adjective, innocent, susceptible, ignorant)
5
inexperienced(adjective, natural, straightforward, innocent)
5
real(adjective, good, open, direct, free)
5
unsuspecting(adjective, fresh, innocent, ignorant)
4
inartificial(adjective, open, smooth, easy)
4
pure(adjective, honest, plain, natural)
4
uncomplicated(adjective, pure, natural, straightforward)
4
unfeigned(adjective, good, open, easy)
4
unschooled(adjective, clean, honest, natural)
4
untutored(adjective, natural, straightforward, naive)
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APASmart Define. (2015). ingenuous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ingenuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingenuous thesaurus" https://smartdefine.org/ingenuous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ingenuous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ingenuous/thesaurus/synonyms>.
MLASmart Define. "ingenuous thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/ingenuous/thesaurus/synonyms>