43 entries under casual topic. ×

17
accidental(adjective, careless, chance, planned)
16
unwitting(adjective, careless, planned, ignorant)
15
chance(adjective, careless, planned, unknowing)
13
unplanned(adjective, simple, natural, chance)
13
involuntary(adjective, simple, natural, impulsive)
12
unconscious(adjective, simple, natural, impulsive)
8
automatic(adjective, simple, natural, impulsive)
7
instinctive(adjective, simple, natural, impulsive)
5
impulsive(adjective, simple, natural, chance)
4
unstudied(adjective, simple, natural, impulsive)
2
extemporaneous(adjective, simple, natural, chance)
2
unprompted(adjective, simple, natural, impulsive)
1
ad-lib(adjective, simple, natural, impulsive)
1
break loose(expression, adjective, simple, natural)
1
down(adjective, simple, natural, impulsive)
1
extempore(adjective, simple, natural, chance)
1
free(adjective, simple, natural, impulsive)
1
free spirited(expression, adjective, simple, natural)
1
from the hip(expression, adjective, idiom, simple, natural)
1
impetuous(adjective, simple, natural, impulsive)
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APASmart Define. (2015). unintentional thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unintentional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unintentional/thesaurus/synonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unintentional/thesaurus/synonyms>