213 entries under adjective topic. ×

3
brutish(rude, physical, careless, thoughtless)
3
deep-rooted(noun, feeling, emotions, at heart)
3
impetuous(noun, simple, passionate, violent)
3
impromptu(simple, natural, casual, impulsive)
3
nonrational(impulse, intuition, thoughts)
3
sudden(noun, passionate, violent, thoughtless)
3
unforced(open, simple, easy, natural)
3
unplanned(noun, simple, natural, casual)
3
unstudied(open, simple, easy, natural)
3
voluntary(simple, natural, casual, impulsive)
2
abrupt(passionate, violent, thoughtless, impetuous)
2
artless(open, smooth, simple, easy)
2
beastly(physical, bodily, visceral)
2
bestial(physical, bodily, visceral)
2
improvised(simple, natural, casual, impulsive)
2
intestinal
2
lifelike
2
offhand(noun, simple, passionate, violent)
2
perfunctory(cold, natural, useful, routine)
2
rooted(primitive, automatic, intuitive, involuntary)
11 years ago|11k views|share |citing 
APASmart Define. (2015). instinctive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/instinctive/thesaurus/synonyms
ChicagoSmart Define. 2015. "instinctive thesaurus" https://smartdefine.org/instinctive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, instinctive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/instinctive/thesaurus/synonyms>.
MLASmart Define. "instinctive thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/instinctive/thesaurus/synonyms>