30 entries under chance topic. ×

14
occasional(adjective, slight, thin, strange, exceptional)
6
irregular(adjective, excellent, extraordinary, unusual, special)
6
odd(adjective, excellent, extraordinary, unusual, strange)
4
casual(adjective, irregular, erratic, random)
1
desultory(irregular, erratic, random, haphazard)
1
erratic(irregular, random, haphazard, unplanned)
1
incidental(adjective, irregular, unplanned, unpremeditated)
1
random(adjective, irregular, erratic, haphazard)
1
uncertain(unreliable, uneven, variable, erratic)
0
accidental(unplanned, unpremeditated)
0
adventitious(unplanned, unpremeditated)
0
by chance(expression, unplanned, unpremeditated)
0
contingent(unplanned, unpremeditated)
0
extemporaneous(unplanned, unpremeditated)
0
extempore(unplanned, unpremeditated)
0
fluky(unplanned, unpremeditated)
0
fortuitous(unplanned, unpremeditated)
0
impromptu(unplanned, unpremeditated)
0
improvised(unplanned, unpremeditated)
0
impulsive(unplanned, unpremeditated)
<12>
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APASmart Define. (2015). infrequent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infrequent/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequent thesaurus" https://smartdefine.org/infrequent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infrequent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infrequent/thesaurus/synonyms>.
MLASmart Define. "infrequent thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/infrequent/thesaurus/synonyms>