10
unperceptive(adjective, blind)
6
blind(adjective, dull, careless, indifferent, apathetic)
6
unobservant(adjective, careless, indifferent, apathetic, insensitive)
5
inattentive(adjective, dull, careless, indifferent, attention)
5
undiscerning(adjective, careless, indifferent, apathetic, insensitive)
5
unthinking(adjective, careless, indifferent, apathetic, distracted)
4
mindless
4
unseeing(adjective, dull, careless, indifferent, thoughtless)
3
thoughtless(adjective, careless, indifferent, apathetic, insensitive)
3
unreasonable
3
unwitting
3
witless
2
absent-minded(adjective, careless, distracted, abstracted, daydreaming)
2
absentminded(adjective, careless, indifferent, apathetic, distracted)
2
brainless
2
crazy
2
foolish
2
idiotic
2
inobservant(adjective, careless, indifferent, apathetic, distracted)
2
insane
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APASmart Define. (2015). unperceiving thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unperceiving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unperceiving thesaurus" https://smartdefine.org/unperceiving/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unperceiving thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unperceiving/thesaurus/synonyms>.
MLASmart Define. "unperceiving thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unperceiving/thesaurus/synonyms>