33 entries under arbitrary topic. ×

13
accidental(adjective, careless, chance, casual, planned)
13
casual(adjective, free, careless, chance, random)
9
chance(adjective, careless, casual, random, haphazard)
8
random(adjective, careless, chance, casual, haphazard)
8
unconscious(adjective, careless, natural, casual, thoughtless)
7
unconsidered(noun, adjective, passionate, violent, careless)
4
incidental(adjective, careless, chance, casual, random)
3
hit-or-miss(adjective, careless, chance, casual, spontaneous)
3
sudden(noun, adjective, passionate, violent, careless)
3
unexpected(adjective, passionate, violent, careless, casual)
3
unorganized(adjective, careless, casual)
2
careless(adjective, passionate, violent, casual, thoughtless)
2
reckless(noun, adjective, careless, casual, thoughtless)
1
aimless(careless, chance, casual, random, haphazard)
1
designless(careless, chance, casual, haphazard)
1
desultory(careless, chance, casual, haphazard)
1
devil-may-care(noun, passionate, violent, careless, casual)
1
erratic(careless, chance, casual, unplanned)
1
irregular(careless, chance, casual, random, haphazard)
1
purposeless(careless, chance, casual, haphazard)
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APASmart Define. (2015). unpremeditated thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unpremeditated/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpremeditated thesaurus" https://smartdefine.org/unpremeditated/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unpremeditated thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unpremeditated/thesaurus/synonyms>.
MLASmart Define. "unpremeditated thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unpremeditated/thesaurus/synonyms>