7
lucky(adjective, happy, uncertain, chance, casual)
7
odd(adjective, chance, surprise, secondary, various)
7
secondary
7
serendipitous(adjective, chance, lucky, unplanned, unpremeditated)
7
uncalculated(adjective, chance, ignorant, hidden, unconscious)
7
undesigned(adjective, intention, unknowing, unaware, unplanned)
6
causeless(adjective, chancy, chance 2)
6
aimless(adjective, careless, casual, irregular, innocent)
6
subsidiary
6
unpredictable(adjective, extraordinary, wonderful, shocking, erratic)
6
unwitting(adjective, ignorant, hidden, unconscious, unknowing)
5
additional(adjective, casual, useless, extra, worthless)
5
adscititious
5
aleatory(adjective, unintended)
5
happy
5
hit-or-miss(adjective, careless, casual, erratic, frivolous)
5
insignificant
5
involuntary(adjective, careless, casual, innocent, ignorant)
5
minor
5
occasional(adjective, chance, secondary, subsidiary, related)
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APASmart Define. (2015). accidental thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/accidental/thesaurus/synonyms
ChicagoSmart Define. 2015. "accidental thesaurus" https://smartdefine.org/accidental/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, accidental thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/accidental/thesaurus/synonyms>.
MLASmart Define. "accidental thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/accidental/thesaurus/synonyms>