Meanings
noun
- colloquialfigurativelyidiomaticA very basic or minimal level of intelligence.
anyone with half a brain
2 more examples
Anyone with half a brain should have known what to do.
Well, if he had half a brain, then we wouldn't be having this conversation.
Synonyms: half a head
Synonyms & antonyms
nounA very basic or minimal level of intelligence.
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Cite this entry
APA
half a brain. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/half%20a%20brain
MLA
“half a brain.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half%20a%20brain. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “half a brain,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/half%20a%20brain.
Source: half a brain on Wiktionary, CC BY-SA 4.0.