decease

[ dih-sees ]
/ dɪˈsis /

noun

the act of dying; departure from life; death.

verb (used without object), de·ceased, de·ceas·ing.

to depart from life; die.

Origin of decease

1300–50; (noun) Middle English deces < Old French < Latin dēcessus departure, death, equivalent to dēced-, variant stem of dēcēdere to go away (dē- de- + cēdere to go; see cede) + -tus suffix of v. action, with dt > s; (v.) late Middle English decesen, derivative of the noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for decease

British Dictionary definitions for decease

decease

/ (dɪˈsiːs) /

noun

a more formal word for death

verb

(intr) a more formal word for die 1

Word Origin for decease

C14 (n): from Old French deces, from Latin dēcēdere to depart
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012