986 entries under adjective topic. ×

6
peaceful(rustic, pastoral, rural)
6
restrained(quiet, clean, pure, modest)
6
retarded(ability, offensive)
6
rude(crude, primitive)
6
run-of-the-mill(plain, ordinary, familiar, natural)
6
solid(whole, united)
6
square(honest, plain, ordinary, straightforward)
6
subdued(quiet, clean, pure, straightforward)
6
tomfool(noun, weak, ability, fool)
6
trusting(open, easy, clean, honest)
6
uncompounded(separate, plain, modest, natural)
6
undiluted(complete, clean, plain, pure)
6
unexceptional(reasonable, plain, ordinary, modest)
6
unobtrusive(soft, shy, meek, frugal)
6
unsuspicious(innocent, ignorant, naive, inexperienced)
6
unworldly(open, easy, honest, natural)
6
wide-eyed(clean, foolish, natural, straightforward)
5
apparent(clear, light, smooth, easy)
5
complete(flat, clean, total, plain)
5
comprehensible(clear, sharp, plain, distinct)
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APASmart Define. (2016). simple thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/simple/thesaurus/synonyms
ChicagoSmart Define. 2016. "simple thesaurus" https://smartdefine.org/simple/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, simple thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/simple/thesaurus/synonyms>.
MLASmart Define. "simple thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/simple/thesaurus/synonyms>