58 entries under instinctive topic. ×

7
visceral(adjective, natural, emotional, automatic)
6
accustomed(adjective, ordinary, normal, automatic)
6
congenital(adjective, reasonable, ordinary, automatic)
6
inborn(adjective, reasonable, ordinary, automatic)
6
ingrained(adjective, natural, automatic, involuntary)
6
intrinsic(adjective, natural, automatic, involuntary)
6
intuitional(adjective, natural, automatic, involuntary)
6
native(adjective, reasonable, ordinary, automatic)
6
rooted(adjective, natural, automatic, involuntary)
6
second-nature(adjective, automatic, involuntary, reflex)
6
typical(adjective, ordinary, normal, automatic)
5
intimate(adjective, simple, plain, straightforward, casual)
5
untaught(adjective, simple, plain, fresh, innocent)
4
direct(adjective, honest, natural, straightforward, candid)
4
perceptive(adjective, intuitive)
4
understood(adjective, intuitive)
4
unreflecting(adjective, impulsive, rash, unthinking)
3
frank(adjective, open, simple, easy, careless)
3
instant(adjective, prompt, emotional, sudden)
2
forthright(adjective, calm, quiet, open, light)
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APASmart Define. (2015). spontaneous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spontaneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "spontaneous thesaurus" https://smartdefine.org/spontaneous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, spontaneous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spontaneous/thesaurus/synonyms>.
MLASmart Define. "spontaneous thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/spontaneous/thesaurus/synonyms>