49 entries under obtuse topic. ×

6
unreasoning(adjective, careless, foolish, stupid, unreasonable)
5
dumb(adjective, dull, simple, slow, silly)
5
ill-considered(adjective, careless, stupid, unthinking)
5
insensate(adjective, dull, simple, ability, slow)
5
nonsensical(adjective, dull, simple, wrong, silly)
4
dense(adjective, dull, simple, silly, foolish)
4
dull(adjective, simple, slow, careless, silly)
4
ludicrous(adjective, dull, simple, silly, foolish)
4
meaningless(adjective, dull, simple, slow, silly)
4
pointless(adjective, dull, simple, slow, silly)
4
unreflective(careless, stupid, casual, unthinking, inattention)
3
insensitive(adjective, indifferent, unconcerned, unperceptive)
3
unobservant(adjective, careless, stupid, careful, casual)
3
unperceptive(adjective, unobservant)
2
flighty(careless, stupid, unthinking, unperceptive)
2
half-witted(adjective, dull, simple, slow, silly)
2
inept(careless, stupid, unthinking, unperceptive)
2
slow(adjective, dull, simple, silly, foolish)
1
absent-minded(careless, stupid, casual, unthinking)
1
bovine(adjective, careless, stupid, unthinking)
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APASmart Define. (2015). mindless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms
ChicagoSmart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, mindless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>.
MLASmart Define. "mindless thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms>