38 entries under chance topic. ×

2
unintended(unplanned, unintentional, unpremeditated)
1
arbitrary(adjective, careless, casual, random)
1
designless(careless, casual, haphazard, arbitrary)
1
desultory(careless, casual, irregular, haphazard)
1
erratic(careless, casual, ambiguous, rambling)
1
infrequent(adjective, irregular, unplanned, unpremeditated)
1
offhand(careless, casual, passing, arbitrary)
1
purposeless(careless, casual, haphazard, arbitrary)
1
slapdash(careless, casual, haphazard, arbitrary)
1
spontaneous(careless, casual, passing, arbitrary)
1
unconsidered(careless, casual, haphazard, arbitrary)
0
by chance(expression, unplanned, unpremeditated)
0
extemporaneous(unplanned, unpremeditated)
0
extempore(casual, passing, unplanned, unpremeditated)
0
impromptu(unplanned, unpremeditated)
0
improvised(unplanned, unpremeditated)
0
impulsive(unplanned, unpremeditated)
0
off-the-cuff(casual, passing, unplanned, unpremeditated)
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APASmart Define. (2016). incidental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms
ChicagoSmart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, incidental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>.
MLASmart Define. "incidental thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms>