74 entries under instinctive topic. ×

13
voluntary(adjective, feature, characteristic, open, free)
11
free(adjective, feature, characteristic, open, simple)
8
uncompelled(adjective, free, simple, deliberate, natural)
8
unconstrained(adjective, feature, characteristic, free, simple)
7
willing(adjective, free, simple, keen, enthusiastic)
5
automatic(adjective, simple, natural, casual, impulsive)
5
unbidden(adjective, free, simple, keen, happy)
5
unpretentious(adjective, calm, open, smooth, simple)
5
unstudied(adjective, open, simple, easy, loose)
4
genuine(adjective, feature, characteristic, open, smooth)
4
impulsive(adjective, open, simple, easy, natural)
3
easy(adjective, simple, real, genuine, unaffected)
2
artless(adjective, open, simple, easy, natural)
2
impetuous(adjective, simple, natural, casual, impulsive)
2
involuntary(adjective, simple, natural, casual, impulsive)
2
unaffected(adjective, calm, open, smooth, simple)
2
unconscious(adjective, simple, natural, casual, impulsive)
2
uncontrived(adjective, open, simple, easy, natural)
2
uncontrolled(adjective, simple, natural, casual, impulsive)
2
unprompted(adjective, simple, natural, casual, impulsive)
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APASmart Define. (2015). unforced thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unforced/thesaurus/synonyms
ChicagoSmart Define. 2015. "unforced thesaurus" https://smartdefine.org/unforced/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unforced thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unforced/thesaurus/synonyms>.
MLASmart Define. "unforced thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unforced/thesaurus/synonyms>