72 entries under instinctive topic. ×

5
unconscious(adjective, simple, natural, casual, impulsive)
5
unforced(adjective, open, simple, easy, loose)
4
ad-lib(adjective, free, simple, fake, natural)
4
ignorant(adjective, open, easy, real, sincere)
4
inartificial(adjective, open, simple, easy, real)
4
involuntary(adjective, simple, natural, casual, impulsive)
4
unconstrained(adjective, simple, natural, casual, impulsive)
4
unintentional(adjective, simple, natural, casual, impulsive)
3
frank(adjective, open, easy, honest, plain)
3
impulsive(adjective, open, simple, easy, natural)
2
childlike(adjective, simple, easy, honest, plain)
2
credulous(adjective, easy, real, sincere, genuine)
2
folksy(adjective, open, smooth, simple, easy)
2
genuine(adjective, open, simple, easy, natural)
2
homey(adjective, open, smooth, simple, easy)
2
off-the-cuff(adjective, simple, natural, casual, impulsive)
2
real(adjective, open, smooth, simple, easy)
2
sincere(adjective, open, simple, easy, honest)
2
trusting(adjective, open, simple, easy, clean)
2
unfeigned(adjective, open, smooth, simple, easy)
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APASmart Define. (2015). unstudied thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unstudied/thesaurus/synonyms
ChicagoSmart Define. 2015. "unstudied thesaurus" https://smartdefine.org/unstudied/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unstudied thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unstudied/thesaurus/synonyms>.
MLASmart Define. "unstudied thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unstudied/thesaurus/synonyms>