Synonyms|220Antonyms|90|Broader|0Narrower|0Related|907
1
asinine(silly, foolish, crazy, insane, unintelligent)
1
backward(dull, simple, limited, impulsive, impractical)
1
batty(foolish, crazy, impulsive, insane, impractical)
1
benighted(adjective, innocent, thick, unfamiliar, unconscious)
1
blind to(expression, adjective, innocent, unfamiliar, unconscious)
1
brain-dead
1
chuckleheaded
1
crazy(foolish, impulsive, insane, impractical, unintelligent)
1
cretinous(adjective, innocent, thick, unfamiliar, unconscious)
1
dim
1
dingbat(adjective, unstable, unreliable, changeable, fickle)
1
dingdong(adjective, unstable, unreliable, changeable, fickle)
1
doltish
1
dopey
1
dorky
1
dumbbell(adjective, dull, simple, slow, limited)
1
dumbo(adjective, dull, simple, slow, limited)
1
dumdum(adjective, dull, simple, slow, limited)
1
dunderheaded
1
feeble-minded(dull, simple, limited, impulsive, impractical)
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APASmart Define. (2015). birdbrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/birdbrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "birdbrained thesaurus" https://smartdefine.org/birdbrained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, birdbrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/birdbrained/thesaurus/synonyms>.
MLASmart Define. "birdbrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/birdbrained/thesaurus/synonyms>