70 entries under artless topic. ×

11
unreserved(adjective, clear, show, open, direct)
10
blunt(adjective, open, direct, free, easy)
10
unstudied(adjective, simple, clean, honest, natural)
8
childlike(adjective, simple, honest, pure, natural)
8
trusting(adjective, open, simple, easy, clean)
8
undeceitful
7
plain-spoken(adjective, open, free, honest, plain)
7
undeceptive
7
unworldly(adjective, simple, honest, natural, straightforward)
6
ignorant(adjective, open, simple, easy, innocent)
6
downright(adjective, adverb, clear, show, open)
6
unartificial(adjective, simple, clean, honest, natural)
6
undeceiving
6
undisguised(adjective, good, open, direct, free)
5
callow(adjective, simple, natural, straightforward, fresh)
5
gullible(adjective, simple, innocent, susceptible, ignorant)
5
inexperienced(adjective, simple, natural, straightforward, innocent)
5
real(adjective, good, open, direct, free)
5
unrestrained
4
broad
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APASmart Define. (2015). ingenuous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ingenuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ingenuous thesaurus" https://smartdefine.org/ingenuous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, ingenuous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ingenuous/thesaurus/synonyms>.
MLASmart Define. "ingenuous thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/ingenuous/thesaurus/synonyms>