1
harebrained
1
inane(dull, silly, foolish, stupid, absurd)
1
inept
1
ingenu
1
insane
1
jerky
1
kooky
1
loony
1
ludicrous(dull, stupid, absurd, unintelligent, witless)
1
lunatic
1
lunkheaded
1
mad
1
maundering
1
meaningless(dull, silly, foolish, stupid, absurd)
1
mentally defective
1
mindless(dull, silly, foolish, stupid, unintelligent)
1
naif
1
natural
1
not all there(expression, idiom)
1
nutty
11 years ago|11k views|share |citing 
APASmart Define. (2015). simpleminded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/simpleminded/thesaurus/synonyms
ChicagoSmart Define. 2015. "simpleminded thesaurus" https://smartdefine.org/simpleminded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, simpleminded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/simpleminded/thesaurus/synonyms>.
MLASmart Define. "simpleminded thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/simpleminded/thesaurus/synonyms>