1
knuckleheaded
1
lamebrain
1
lunkheaded
1
mindless
1
obtuse
1
opaque
1
pinheaded
1
simple
1
slow
1
slow-witted
1
soft
1
softheaded
1
stupid
1
thick
1
thick-witted
1
thickheaded
1
unintelligent
1
vacuous
1
weak-minded
1
witless
13 years ago|5.4k views|share |citing 
APASmart Define. (2013). unsmart thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unsmart/thesaurus/synonyms
ChicagoSmart Define. 2013. "unsmart thesaurus" https://smartdefine.org/unsmart/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, unsmart thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unsmart/thesaurus/synonyms>.
MLASmart Define. "unsmart thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/unsmart/thesaurus/synonyms>