2
stupid(careless, unthinking, obtuse, unperceptive, unobservant)
2
unattentive
2
uncircumspect(casual, happy-go-lucky, slapdash)
2
undeliberate(ignorant, hidden, unconscious, unaware, oblivious)
2
unexpected(adjective, unplanned, unintentional, accidental, unintended)
2
unforeseen(adjective, unplanned, unintentional, accidental, unintended)
2
uninterested(adjective, inattentive)
2
unnoticing(adjective, careless, indifferent, apathetic, distracted)
2
unobserving(adjective, careless, indifferent, apathetic, distracted)
2
unreasoning(adjective, careless, foolish, stupid, thoughtless)
2
unreflecting
2
withdrawn
2
wool-gathering
1
aimless(unknowing, unaware, unplanned, accidental, unsuspecting)
1
apathetic(adjective, careless, indifferent, distracted, negligent)
1
arbitrary
1
automatic
1
behindhand(adjective, careless, indifferent, coarse, unconcerned)
1
bored(adjective, careless, indifferent, apathetic, distracted)
1
brainsick
11 years ago|11k views|share |citing 
APASmart Define. (2015). inadvertent thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inadvertent/thesaurus/synonyms
ChicagoSmart Define. 2015. "inadvertent thesaurus" https://smartdefine.org/inadvertent/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, inadvertent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inadvertent/thesaurus/synonyms>.
MLASmart Define. "inadvertent thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/inadvertent/thesaurus/synonyms>