74 entries under plain topic. ×

38
naive(adjective, open, direct, free, simple)
29
guileless(adjective, open, direct, free, simple)
28
ingenuous(adjective, open, direct, free, simple)
26
honest(adjective, open, free, simple, easy)
25
open(adjective, free, simple, easy, friendly)
24
candid(adjective, open, direct, free, simple)
23
frank(noun, adjective, open, free, simple)
23
sincere(adjective, open, direct, free, simple)
22
straightforward(adjective, open, direct, free, simple)
21
direct(adjective, open, free, simple, easy)
21
simple(adjective, simple, easy, clean, honest)
19
natural(adjective, open, direct, free, simple)
18
innocent(adjective, open, free, simple, friendly)
16
unsophisticated(adjective, simple, easy, clean, honest)
15
unaffected(adjective, open, simple, easy, clean)
11
straight(adjective, open, free, simple, honest)
11
forthright(adjective, open, direct, free, simple)
11
trusting(adjective, open, simple, easy, clean)
9
outspoken(adjective, open, direct, free, easy)
9
truthful(adjective, open, direct, free, easy)
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APASmart Define. (2016). artless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/artless/thesaurus/synonyms
ChicagoSmart Define. 2016. "artless thesaurus" https://smartdefine.org/artless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, artless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/artless/thesaurus/synonyms>.
MLASmart Define. "artless thesaurus" 11 February 2016. Web. 21 September 2026. <https://smartdefine.org/artless/thesaurus/synonyms>