a document instructing physicians, relatives, or others to refrain from the use of extraordinary measures, as life-support equipment, to prolong one's life in the event of a terminal illness.
Origin of living will
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a document stating that if its author becomes terminally ill, his or her life should not be prolonged by artificial means, such as a life-support machine
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
A will in which the signer requests not to be kept alive by medical life-support systems in the event of a terminal illness.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.