1
homey(simple, easy, real, unaffected)
1
hot-and-cold(passionate, violent, thoughtless, abrupt, impetuous)
1
ignorant(adjective, open, simple, easy, plain)
1
illogical(adjective, impulse, intuition, thoughts)
1
implicit
1
improvisatory
1
improvise
1
in the blood(expression, idiom)
1
inadvertent(adjective, careless, thoughtless, unwise, ignorant)
1
inartificial(adjective, open, simple, easy, plain)
1
inbuilt
1
indispensable
1
individual
1
indwelling
1
inevitable(adjective, simple, natural, casual, impulsive)
1
ingenuous(adjective, open, smooth, simple, easy)
1
innocent(adjective, open, simple, easy, plain)
1
insensitive(careless, thoughtless, inconsiderate)
1
insightful(adjective, intuitive)
1
instant
<1678910>
11 years ago|11k views|share |citing 
APASmart Define. (2015). instinctive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/instinctive/thesaurus/synonyms
ChicagoSmart Define. 2015. "instinctive thesaurus" https://smartdefine.org/instinctive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, instinctive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/instinctive/thesaurus/synonyms>.
MLASmart Define. "instinctive thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/instinctive/thesaurus/synonyms>