0
thick-witted
0
thimble-witted
0
thoughtless
0
unintelligent
0
unstable
0
vacant
0
vacuous
0
wacky
0
weak-minded
-1
potty
15 years ago|1.4k views|share |citing 
APASmart Define. (2011). feather-brained thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/feather-brained/thesaurus/synonyms
ChicagoSmart Define. 2011. "feather-brained thesaurus" https://smartdefine.org/feather-brained/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, feather-brained thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/feather-brained/thesaurus/synonyms>.
MLASmart Define. "feather-brained thesaurus" 29 May 2011. Web. 24 September 2026. <https://smartdefine.org/feather-brained/thesaurus/synonyms>