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involutional

[ in-vuh-loo-shuh-nl ]
/ ˌɪn vəˈlu ʃə nl /
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adjective

of, relating to, or characteristic of involutional melancholia: involutional symptoms.

noun

a person who suffers from involutional melancholia.

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Origin of involutional

First recorded in 1905–10; involution + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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