Meanings
adjectivehalf-brained (not comparable)
- not comparableExhibiting low intelligence, as if having only half a brain.
The manager's half-brained plan led to disaster when carried out.
Synonyms: brainless, half-witted, hare-brained, addlebrained, addlepated, airheaded, bee-brained, beef-witted · Antonyms: brainy, astute, brainy, bright, brilliant, clever, educated, genius
Synonyms & antonyms
adjectiveExhibiting low intelligence, as if having only half a brain.
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Origin
Cite this entry
APA
half-brained. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/half-brained
MLA
“half-brained.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-brained. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “half-brained,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/half-brained.
Source: half-brained on Wiktionary, CC BY-SA 4.0.