30 entries under chance topic. ×

21
impulsive(noun, adjective, rude, careless, natural)
19
unplanned(noun, adjective, free, casual)
14
unintentional(adjective, planned, ignorant, hidden)
13
accidental(adjective, careless, casual, planned)
13
casual(adjective, free, careless, random)
10
unintended(adjective, rude, careless, casual)
8
random(adjective, careless, casual, haphazard)
7
haphazard(adjective, organization, plan, casual)
6
fortuitous(adjective, casual, intention, random)
4
incidental(adjective, careless, casual, random)
4
unforeseen(adjective, intention, unplanned, accidental)
3
hit-or-miss(adjective, careless, casual, spontaneous)
3
serendipitous(adjective, unplanned)
2
adventitious(adjective, haphazard, unplanned, accidental)
2
arbitrary(adjective, careless, casual, random)
2
off-the-cuff(adjective, spontaneous, unprepared, impromptu)
1
aimless(careless, casual, random, haphazard)
1
contingent(casual, random, haphazard, unplanned)
1
designless(careless, casual, haphazard, arbitrary)
1
desultory(careless, casual, haphazard, arbitrary)
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APASmart Define. (2015). unpremeditated thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unpremeditated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpremeditated thesaurus" https://smartdefine.org/unpremeditated/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unpremeditated thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unpremeditated/thesaurus/synonyms>.
MLASmart Define. "unpremeditated thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/unpremeditated/thesaurus/synonyms>