3
indeterminate(adjective, chance 2)
3
purposeless(adjective, careless, chance, casual, erratic)
3
risky(adjective, chancy)
3
supervenient(adjective, incidental)
3
uncertain(adjective, chance, liable, unplanned, dependent)
3
unforeseeable(adjective, liable, dependent, depending)
3
unlucky
3
unmeant(adjective, unknowing, unaware, unintentional, unsuspecting)
2
accompanying(adjective, casual, irregular, secondary, subsidiary)
2
ado
2
ancillary(adjective, secondary, subsidiary, related)
2
ascititious
2
by chance(expression, idiom, chance, unplanned, unpremeditated)
2
casually
2
contingency
2
dependent
2
extra
2
fortuitously
2
fortunate(adjective, happy, chance, casual, beneficial)
2
instinctive(ignorant, hidden, unconscious, unaware, oblivious)
11 years ago|13k views|share |citing 
APASmart Define. (2015). accidental thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/accidental/thesaurus/synonyms
ChicagoSmart Define. 2015. "accidental thesaurus" https://smartdefine.org/accidental/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, accidental thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/accidental/thesaurus/synonyms>.
MLASmart Define. "accidental thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/accidental/thesaurus/synonyms>