1
chuckleheaded
1
cuckoo
1
daffy
1
deficient(adjective, silly, foolish, stupid)
1
demented
1
dimwitted(adjective, stupid)
1
ditzy(adjective, careless, silly, stupid, unsteady)
1
dopy
1
dorky
1
dotty
1
dozy
1
dull-witted
1
dunderheaded
1
empty-minded
1
empty-pated
1
empty-skulled
1
erratic(adjective, careless, silly, unreliable, changeable)
1
faint
1
featherheaded
1
fickle(adjective, careless, silly, unstable, faint)
11 years ago|10k views|share |citing 
APASmart Define. (2015). empty-headed thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, empty-headed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>.
MLASmart Define. "empty-headed thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms>