loony bin

noun

Definition of loony bin

informal + often offensive
: an institution providing care to mentally ill individuals : a psychiatric hospital

First Known Use of loony bin

1919, in the meaning defined above

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The first known use of loony bin was in 1919

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Dictionary Entries Near loony bin

loony

loony bin

loony tune

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Cite this Entry

“Loony bin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/loony%20bin. Accessed 29 Sep. 2022.

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