125 entries under open topic. ×

6
categorical(adjective, clear, flat, honest)
6
expanse(noun, nature, area, flat)
6
folksy(adjective, simple, easy, clean)
6
real(adjective, good, direct, free)
6
regular(adjective, calm, quiet, smooth)
5
bold(adjective, clear, free, bright)
5
childlike(adjective, simple, easy, honest)
5
decent(adjective, good, soft, honest)
5
friendly(adjective, appropriate, warm, honest)
5
openhearted(adjective, free, friendly, appropriate)
5
point-blank(adjective, flat, honest, total)
5
true(adjective, good, clear, simple)
5
trusting(adjective, simple, easy, honest)
5
unfeigned(adjective, good, simple, easy)
5
unstudied(adjective, simple, reasonable, easy)
4
aboveboard(honest, straightforward, sincere, genuine)
4
accurate(adjective, clear, honest, exact)
4
actual(adjective, simple, right, honest)
4
exposed(adjective, clear, obvious, broadcast)
4
fair(adjective, good, simple, reasonable)
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APASmart Define. (2016). plain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>