105 entries under adjective topic. ×

17
accidental(careless, chance, casual, planned)
16
unwitting(careless, casual, planned, ignorant)
15
chance(careless, casual, planned, unknowing)
14
casual(simple, natural, chance, impulsive)
14
undesigned(planned, intention, unknowing, necessity)
14
unpremeditated(chance, planned, ignorant, hidden)
13
unplanned(simple, natural, chance, casual)
13
involuntary(simple, natural, casual, impulsive)
12
inadvertent(planned, ignorant, hidden, unconscious)
12
random(chance, planned, haphazard, accidental)
12
unconscious(simple, natural, casual, impulsive)
11
unintended(chance, planned, ignorant, hidden)
9
adventitious(chance, haphazard, unplanned, accidental)
9
unthinking(planned, unconscious, necessity, unwilling)
8
automatic(simple, natural, casual, impulsive)
8
fortuitous(chance, planned, intention, haphazard)
7
causeless(accidental, chance 2)
7
instinctive(simple, natural, casual, impulsive)
7
unwilled(unconscious, involuntary)
6
haphazard(chance, planned, unknowing, unaware)
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APASmart Define. (2015). unintentional thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unintentional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unintentional/thesaurus/synonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unintentional/thesaurus/synonyms>