half a brain

phrase

: common sense
If he had half a brain, he would have left a long time ago.

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halfa
half a brain
half a chance
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Cite this Entry

“Half a brain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half%20a%20brain. Accessed 13 Mar. 2026.

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