303 entries under simple topic. ×

8
unrefined(adjective, plain, coarse, straightforward)
7
free(adjective, adverb, open, direct)
7
general(adjective, characteristic, friendly, appropriate)
7
prevalent(adjective, ordinary, usual, normal)
7
primitive(adjective, body, open, material)
7
rustic(adjective, adverb, open, clean)
7
unartificial(adjective, clean, honest, plain)
7
unceremonious(adjective, calm, easy, plain)
7
unconscious(adjective, casual, routine, emotional)
7
unworldly(adjective, open, smooth, honest)
6
homespun(adjective, plain, informal, common)
6
intimate(adjective, characteristic, usual, straightforward)
6
pristine(adjective, rough, clean, harsh)
6
straight(adjective, open, direct, free)
6
trusting(adjective, calm, open, smooth)
6
unadulterated(adjective, clean, plain, pure)
6
unforced(adjective, calm, open, smooth)
6
unvarnished(adjective, honest, plain, exact)
5
rude(adjective, rough, violent, coarse)
5
untaught(adjective, crude, unsophisticated, instinctive)
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APASmart Define. (2016). natural thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/natural/thesaurus/synonyms
ChicagoSmart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, natural thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/natural/thesaurus/synonyms>.
MLASmart Define. "natural thesaurus" 15 February 2016. Web. 25 September 2026. <https://smartdefine.org/natural/thesaurus/synonyms>