1
habitual(unconscious, unwilling, obligatory, compulsory, involuntary)
1
ill-advised
1
ill-considered
1
ill-devised
1
impetuous(adjective, simple, natural, casual, impulsive)
1
impromptu(adjective, simple, natural, chance, casual)
1
improvised(adjective, simple, natural, chance, casual)
1
inadvertently
1
indeliberate
1
indeterminate
1
inevitable(adjective, simple, natural, casual, impulsive)
1
instinctual(adjective, unconscious, unwilling, obligatory, compulsory)
1
intuitive(adjective, hidden, unconscious, subconscious, involuntary)
1
irresistible(adjective, simple, natural, casual, impulsive)
1
loose
1
mistaken
1
natural(adjective, simple, casual, routine, impulsive)
1
odd(chance, haphazard, unplanned, accidental, unpremeditated)
1
off-the-cuff(adjective, simple, natural, chance, casual)
1
off top of head(expression, adjective, idiom, simple, natural)
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APASmart Define. (2015). unintentional thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintentional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintentional/thesaurus/synonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unintentional/thesaurus/synonyms>