1
inept(adjective, foolish, stupid)
1
lamebrain
1
lunkheaded
1
mindless
1
opaque
1
simple
1
slow-witted
1
softheaded
1
stolid
1
thick-witted
1
thoughtless
1
undiscerning
1
unwise
1
weak-minded
0
airheaded
0
addled
0
alcoholic
0
amateurish
0
amiss
0
artless
10 years ago|5k views|share |citing 
APASmart Define. (2016). astute thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/astute/thesaurus/antonyms
ChicagoSmart Define. 2016. "astute thesaurus" https://smartdefine.org/astute/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, astute thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/astute/thesaurus/antonyms>.
MLASmart Define. "astute thesaurus" 22 March 2016. Web. 26 September 2026. <https://smartdefine.org/astute/thesaurus/antonyms>