2
undeliberate(ignorant, hidden, unconscious, unaware, oblivious)
2
unmotivated
2
unprompted(forced, unwilling, obligatory, compulsory)
1
causeless
1
coerced
1
coincidental(adjective, unintentional)
1
extempore(chance, unplanned, unpremeditated)
1
feckless(adjective, rude, careless, thoughtless, unwise)
1
fluky(chance, unplanned, unintentional, unpremeditated)
1
ill-advised
1
ill-considered
1
indeliberate
1
instinctual(unwilling, obligatory, compulsory)
1
off-the-cuff(chance, unplanned, unpremeditated)
1
purposed
1
serendipitous(adjective, chance, unplanned, unpremeditated)
1
unadvised
1
unconsidered
1
unguarded
1
unheeding(adjective, careless, thoughtless, unwise, ignorant)
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). unintended thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unintended/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintended thesaurus" https://smartdefine.org/unintended/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unintended thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unintended/thesaurus/synonyms>.
MLASmart Define. "unintended thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unintended/thesaurus/synonyms>