Synonyms|124Antonyms|1|Broader|0Narrower|0Related|0
6
silly(adjective, giddy)
5
empty-headed(adjective, silly, giddy)
3
addle-pated(adjective, giddy)
3
feather-brained
3
foolish
3
rattle-brained
3
scatterbrained(adjective, giddy)
3
simple-minded
2
brainless
2
dizzy
2
fatuous
2
flighty(adjective, giddy)
2
halfwitted
2
hare-brained
2
imbecilic
2
inane(adjective, silly)
2
light-headed(adjective, silly)
2
moronic
2
stupid
2
witless
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APASmart Define. (2011). bird-brained thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bird-brained/thesaurus/synonyms
ChicagoSmart Define. 2011. "bird-brained thesaurus" https://smartdefine.org/bird-brained/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, bird-brained thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bird-brained/thesaurus/synonyms>.
MLASmart Define. "bird-brained thesaurus" 29 May 2011. Web. 20 September 2026. <https://smartdefine.org/bird-brained/thesaurus/synonyms>