42 entries under chance topic. ×

3
arbitrary(adjective, careless, casual, irregular)
3
purposeless(adjective, careless, casual, erratic)
3
uncertain(adjective, liable, unplanned, dependent)
2
by chance(expression, idiom, unplanned, unpremeditated)
2
fortunate(adjective, happy, casual, beneficial)
1
designless(careless, casual, haphazard, arbitrary)
1
desultory(careless, casual, erratic, frivolous)
1
erratic(careless, casual, frivolous, haphazard)
1
extemporaneous(unplanned, unpremeditated, inadvertent)
1
extempore(unplanned, unpremeditated)
1
impulsive(extraordinary, wonderful, shocking, astonishing)
1
irregular(careless, casual, secondary, random)
1
off-the-cuff(unplanned, unpremeditated)
1
offhand(adjective, careless, casual, arbitrary)
1
providential(adjective, happy, casual, beneficial)
1
slapdash(careless, casual, haphazard, arbitrary)
1
spontaneous(adjective, careless, casual, erratic)
1
unconsidered(careless, casual, haphazard, arbitrary)
1
unpredicted(adjective, extraordinary, wonderful, shocking)
0
impromptu(adjective, unplanned, unintended, unpremeditated)
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APASmart Define. (2015). accidental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/accidental/thesaurus/synonyms
ChicagoSmart Define. 2015. "accidental thesaurus" https://smartdefine.org/accidental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, accidental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/accidental/thesaurus/synonyms>.
MLASmart Define. "accidental thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/accidental/thesaurus/synonyms>