Synonyms|124Antonyms|1|Broader|0Narrower|0Related|0
1
irrational
1
light
1
mad
1
mindless
1
muddle-headed
1
nonsensical
1
nutty
1
obtuse
1
slow-witted
1
stolid
1
thick
1
thickheaded
1
thimble-witted
1
unintelligent
1
wacky
0
Boeotian
0
absurd
0
addle-brained(adjective, giddy)
0
addled
0
airheaded(adjective, giddy)
15 years ago|1.7k views|share |citing 
APASmart Define. (2011). bird-brained thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/bird-brained/thesaurus/synonyms
ChicagoSmart Define. 2011. "bird-brained thesaurus" https://smartdefine.org/bird-brained/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, bird-brained thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/bird-brained/thesaurus/synonyms>.
MLASmart Define. "bird-brained thesaurus" 29 May 2011. Web. 24 September 2026. <https://smartdefine.org/bird-brained/thesaurus/synonyms>