10
native(adjective, natural, spontaneous, instinctive, automatic)
10
reflex(adjective, natural, inside, interior, automatic)
9
impulsive(adjective, natural, unconscious, instinctive, unwilling)
7
emotional(noun, adjective, feeling, emotions, instinctive)
7
normal(adjective, natural, instinctive, automatic, innate)
7
unthinking(adjective, natural, unconscious, instinctive, unwilling)
6
gut(noun, adjective, feeling, emotions, primitive)
6
regular(adjective, natural, instinctive, automatic, innate)
6
typical(adjective, natural, instinctive, automatic, innate)
6
unpremeditated(adjective, natural, instinctive, unwilling, automatic)
5
immediate(adjective, spontaneous, instinctive, intuitive)
5
unlearned(adjective, natural, instinctive, automatic, innate)
5
unmeditated(adjective, natural, unconscious, instinctive, unwilling)
5
unprompted(adjective, natural, instinctive, unwilling, automatic)
4
direct(adjective, spontaneous, instinctive, intuitive)
4
perceptive(adjective, spontaneous, instinctive, intuitive)
4
unconscious(adjective, unwilling, obligatory, automatic, compulsory)
4
understood(adjective, spontaneous, instinctive, intuitive)
4
unreflecting(adjective, spontaneous, instinctive, intuitive)
4
untaught(adjective, spontaneous, instinctive, intuitive)
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APASmart Define. (2015). instinctual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/instinctual/thesaurus/synonyms
ChicagoSmart Define. 2015. "instinctual thesaurus" https://smartdefine.org/instinctual/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, instinctual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/instinctual/thesaurus/synonyms>.
MLASmart Define. "instinctual thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/instinctual/thesaurus/synonyms>