take leave of one's senses

phrase

: to begin acting or thinking in a very foolish way

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take/knock/bring someone down a peg
take leave of one's senses
take leave of (someone)
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Cite this Entry

“Take leave of one's senses.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/take%20leave%20of%20one%27s%20senses. Accessed 7 Mar. 2026.

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