1
chuckleheaded
1
cockeyed
1
crackpot
1
crazy
1
cuckoo
1
daffy
1
daft
1
dense
1
dim
1
dim-witted
1
dingbat(adjective, unstable, unreliable, changeable, fickle)
1
dingdong(adjective, unstable, unreliable, changeable, fickle)
1
dippy
1
ditzy(adjective, careless, silly, unsteady, inconstant)
1
dizzy(adjective, careless, silly, unstable, unreliable)
1
doltish
1
dopey
1
dorky
1
dotty
1
dull
13 years ago|6.7k views|share |citing 
APASmart Define. (2013). bubbleheaded thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bubbleheaded/thesaurus/synonyms
ChicagoSmart Define. 2013. "bubbleheaded thesaurus" https://smartdefine.org/bubbleheaded/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, bubbleheaded thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>.
MLASmart Define. "bubbleheaded thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/bubbleheaded/thesaurus/synonyms>