2
shortsighted(dull, unintelligent, witless)
2
simple-minded(adjective, silly, stupid, green, fat)
2
slow(adjective, dull, simple, silly, foolish)
2
slow-witted
2
tactless
2
uncareful(wild, thoughtless, daring, negligent, carefree)
2
unconscious of
2
undiplomatic
2
unheedful
2
unintentional(unconscious, involuntary)
2
unknowing(adjective, innocent, unfamiliar, unconscious, unaware)
2
unlearned(adjective, innocent, ignorant, unfamiliar, unconscious)
2
unsound(adjective, wrong, silly, foolish, stupid)
2
unsuspecting(adjective, innocent, thick, unfamiliar, unconscious)
1
absent-minded(careless, stupid, casual, unthinking, obtuse)
1
airheaded
1
amnesiac
1
amnesic
1
anarchic
1
animal
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APASmart Define. (2015). mindless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms
ChicagoSmart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mindless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>.
MLASmart Define. "mindless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms>