303 entries under simple topic. ×

30
normal(adjective, characteristic, correct, right)
29
spontaneous(adjective, calm, open, plain)
28
naive(adjective, calm, open, direct, free)
26
genuine(adjective, open, correct, right)
26
usual(adjective, characteristic, reasonable, honest)
24
instinctive(adjective, characteristic, open, plain)
23
involuntary(adjective, ordinary, usual, regular)
18
artless(adjective, open, direct, free)
18
unaffected(adjective, calm, open, smooth)
18
wild(adjective, rough, physical, violent)
17
ingenuous(adjective, open, direct, free)
17
true(adjective, open, correct, right)
17
plain(adjective, open, direct, free)
16
ordinary(adjective, characteristic, reasonable, honest)
16
fresh(adjective, feature, state, food, property)
15
impulsive(adjective, open, plain, casual)
15
automatic(adjective, ordinary, usual, regular)
15
customary(adjective, reasonable, sensible, new)
15
fundamental(adjective, characteristic, material, basic)
14
easy(adjective, calm, open, direct, free)
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APASmart Define. (2016). natural thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/natural/thesaurus/synonyms
ChicagoSmart Define. 2016. "natural thesaurus" https://smartdefine.org/natural/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, natural thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/natural/thesaurus/synonyms>.
MLASmart Define. "natural thesaurus" 15 February 2016. Web. 23 September 2026. <https://smartdefine.org/natural/thesaurus/synonyms>