Breadcrumb Home > Dictionary > Index I involutional melancholia: Meaning and Definition of Find definitions for: involu'tional melancho'lia Pronunciation: [key] — Psychiatry. Psychiatry. (formerly) extreme depression related to menopause or, less frequently, the male climacteric. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. involutional involve TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language