3
bluff
3
drugged
3
edgeless
3
faint
3
feeble-minded(adjective, simple, slow, stupid, sluggish)
3
flat(adjective, insensibility)
3
frigid
3
hard(adjective, obscure, difficult, indifferent, unfeeling)
3
hebetudinous(adjective, ability, imbecility folly)
3
idiotic(adjective, dull, simple, silly, foolish)
3
impercipient
3
inactive(adjective, dull, heavy, stupid, impassive)
3
indiscreet(adjective, dull, simple, slow, foolish)
3
insensate(noun, adjective, dull, hard, simple)
3
insusceptible(adjective, hard, insensitive, unsusceptible)
3
muted
3
numbed
3
senseless(adjective, dull, simple, careless, silly)
3
silly(adjective, careless, foolish, stupid, senseless)
3
simple-minded(adjective, simple, slow, silly, stupid)
11 years ago|18k views|share |citing 
APASmart Define. (2015). obtuse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>