38 entries under chance topic. ×

18
fortuitous(adjective, casual, minor, related)
17
casual(adjective, careless, irregular, minor)
16
accidental(adjective, careless, casual, minor)
16
random(adjective, casual, irregular, minor)
15
adventitious(adjective, minor, surface, secondary)
13
occasional(adjective, irregular, minor, secondary)
12
contingent(adjective, casual, minor, liability)
12
unplanned(adjective, casual, random, haphazard)
8
odd(adjective, irregular, minor, related)
6
fluky(adjective, casual, random, haphazard)
5
serendipitous(adjective, lucky, unplanned, accidental)
4
irregular(adjective, careless, casual, minor)
4
unexpected(adjective, careless, casual, arbitrary)
4
unforeseen(adjective, lucky, liable, unplanned)
4
unpremeditated(adjective, careless, casual, random)
3
coincidental(adjective, minor, secondary, related)
3
hit-or-miss(adjective, careless, casual, random)
3
uncertain(adjective, restricted, liable, unplanned)
3
unintentional(haphazard, unplanned, accidental, unintended)
2
uncalculated(adjective, unintentional, accidental, unintended)
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APASmart Define. (2016). incidental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/incidental/thesaurus/synonyms
ChicagoSmart Define. 2016. "incidental thesaurus" https://smartdefine.org/incidental/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, incidental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/incidental/thesaurus/synonyms>.
MLASmart Define. "incidental thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/incidental/thesaurus/synonyms>