Synonyms|514Antonyms|109|Broader|8Narrower|11Related|350

50 entries under spontaneous topic. ×

3
extemporaneous(noun, adjective, simple, passionate, violent)
3
impetuous(noun, adjective, simple, passionate, violent)
3
offhand(noun, adjective, simple, violent, natural)
2
extempore(adjective, simple, natural, casual, impulsive)
2
uncontrived(adjective, simple, natural, casual, impulsive)
2
unforced(adjective, simple, natural, casual, impulsive)
1
ad-lib(adjective, simple, passionate, violent, natural)
1
break loose(expression, adjective, simple, natural, casual)
1
careless(adjective, passionate, violent, thoughtless, unthinking)
1
down(adjective, simple, natural, casual, impulsive)
1
free(adjective, simple, natural, casual, impulsive)
1
free spirited(expression, adjective, simple, natural, casual)
1
from the hip(expression, adjective, idiom, simple, natural)
1
improvised(adjective, simple, natural, casual, impulsive)
1
irresistible(adjective, simple, natural, casual, impulsive)
1
off-the-cuff(adjective, simple, natural, casual, impulsive)
1
off top of head(expression, adjective, idiom, simple, natural)
1
simple(adjective, natural, casual, impulsive, willing)
1
unartful(adjective, simple, natural, casual, impulsive)
1
unavoidable(adjective, simple, natural, casual, impulsive)
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APASmart Define. (2015). involuntary thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/involuntary/thesaurus/synonyms
ChicagoSmart Define. 2015. "involuntary thesaurus" https://smartdefine.org/involuntary/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, involuntary thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/involuntary/thesaurus/synonyms>.
MLASmart Define. "involuntary thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/involuntary/thesaurus/synonyms>