not in one's right mind

idiom

: mentally ill
There's something wrong with him. He's not in his right mind.

Dictionary Entries Near not in one's right mind

Cite this Entry

“Not in one's right mind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20in%20one%27s%20right%20mind. Accessed 4 Dec. 2023.

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