involutional

[ in-vuh-loo-shuh-nl ]

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

noun
  1. a person with involutional melancholia.

Origin of involutional

1
First recorded in 1905–10; involution + -al1

Words Nearby involutional

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023