Breadcrumb Home > Dictionary > Index D decease: Meaning and Definition of Find definitions for: de•cease Pronunciation: (di-sēs'), [key] — n., v., -ceased, -ceas•ing. —n. the act of dying; departure from life; death. —v.i. to depart from life; die. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decease (Thesaurus) dece deceased TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language