1
nonsensical
1
obtuse
1
screwball
1
simple
1
simpleminded
1
slow
1
slow-witted
1
unintelligent
1
unperceptive
0
absurd
0
airheaded
0
asinine
0
balmy
0
barmy
0
birdbrained
0
boneheaded
0
brain-dead
0
brash
0
bubbleheaded
0
chuckleheaded
11 years ago|1.1k views|share |citing 
APASmart Define. (2015). sapient thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sapient/thesaurus/antonyms
ChicagoSmart Define. 2015. "sapient thesaurus" https://smartdefine.org/sapient/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sapient thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sapient/thesaurus/antonyms>.
MLASmart Define. "sapient thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/sapient/thesaurus/antonyms>