1
indiscreet(dull, weak, simple, silly, foolish)
1
inept
1
injudicious(weak, simple, silly, foolish, thoughtless)
1
insensate(adjective, dull, simple, slow, silly)
1
irrational(weak, simple, silly, foolish, thoughtless)
1
jackass(adjective, foolish)
1
knuckle-headed(adjective, foolish)
1
knuckleheaded
1
lame-brained(adjective, foolish)
1
lamebrain
1
ludicrous(dull, weak, simple, silly, foolish)
1
lunkheaded
1
meaningless(dull, silly, foolish, stupid, unintelligent)
1
meat-headed(adjective, foolish)
1
mentally handicapped(expression, silly, foolish, stupid)
1
mentally retarded
1
mongoloid
1
nerdy(weak, simple, silly, foolish, thoughtless)
1
nitwit(adjective, foolish)
1
not all there(expression, idiom)
10 years ago|13k views|share |citing 
APASmart Define. (2016). half-witted thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/half-witted/thesaurus/synonyms
ChicagoSmart Define. 2016. "half-witted thesaurus" https://smartdefine.org/half-witted/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, half-witted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/half-witted/thesaurus/synonyms>.
MLASmart Define. "half-witted thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/half-witted/thesaurus/synonyms>