33 entries under instinctive topic. ×

8
essential(adjective, reasonable, natural, basic, fundamental)
8
regular(adjective, ordinary, natural, automatic)
7
unlearned(adjective, natural, automatic, inherent)
6
impulsive(adjective, natural, automatic, involuntary)
6
involuntary(adjective, reasonable, ordinary, automatic)
6
mechanical(adjective, natural, automatic, inherent)
6
spontaneous(adjective, reasonable, ordinary, automatic)
6
typical(adjective, ordinary, natural, automatic)
6
unmeditated(adjective, natural, automatic, involuntary)
6
unpremeditated(adjective, natural, automatic, involuntary)
6
unprompted(adjective, natural, automatic, inherent)
6
unthinking(adjective, natural, automatic, inherent)
5
deep-seated(adjective, characteristic, complete, true, natural)
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APASmart Define. (2015). congenital thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/congenital/thesaurus/synonyms
ChicagoSmart Define. 2015. "congenital thesaurus" https://smartdefine.org/congenital/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, congenital thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/congenital/thesaurus/synonyms>.
MLASmart Define. "congenital thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/congenital/thesaurus/synonyms>