47 entries under accidental topic. ×

7
unintended(adjective, chance, intention, unplanned, unintentional)
6
aleatory(adjective, unintended)
6
arbitrary(adjective, lucky)
6
unpremeditated(adjective, chance, casual, intention, random)
5
aimless(adjective, chance, casual, random, haphazard)
5
coincidental(adjective, chance, secondary, subsidiary, indirect)
5
inadvertent(adjective, surprise, unplanned, unintentional)
4
undesigned(adjective, intention, unplanned, unintentional)
3
fatal
3
purposeless(adjective, chance, erratic, pointless, frivolous)
3
unwitting(adjective, unplanned, inadvertent)
2
uncalculated(adjective, chance, unintentional, unintended)
1
erratic(chance, frivolous, haphazard, unplanned)
1
extemporaneous(chance, unplanned, unpremeditated, inadvertent)
1
fluke(adjective, lucky)
1
involuntary(unplanned, inadvertent)
1
irregular(chance, casual, secondary, subsidiary, random)
1
luck in(adjective, lucky)
1
luck out(adjective, lucky)
1
lucky-dog(adjective, lucky)
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APASmart Define. (2015). fortuitous thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fortuitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortuitous thesaurus" https://smartdefine.org/fortuitous/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, fortuitous thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fortuitous/thesaurus/synonyms>.
MLASmart Define. "fortuitous thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/fortuitous/thesaurus/synonyms>