35 entries under chance topic. ×

2
extemporaneous(adjective, simple, natural, casual)
1
erratic(adjective, planned, unplanned, accidental)
1
extempore(adjective, simple, natural, casual)
1
impromptu(adjective, simple, natural, casual)
1
improvised(adjective, simple, natural, casual)
1
odd(haphazard, unplanned, accidental, unpremeditated)
1
off-the-cuff(adjective, simple, natural, casual)
1
offhand(adjective, simple, natural, casual)
1
serendipitous(adjective, unplanned, unpremeditated)
0
by chance(expression, unplanned, unpremeditated)
0
infrequent(unplanned, unpremeditated)
0
irregular(haphazard, unplanned, accidental, unpremeditated)
0
occasional(unplanned, unpremeditated)
0
uncertain(adjective, spontaneous, random, unplanned)
0
unsystematic(adjective, casual, haphazard, accidental)
<12>
11 years ago|7.8k views|share |citing 
APASmart Define. (2015). unintentional thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unintentional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unintentional/thesaurus/synonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unintentional/thesaurus/synonyms>