[ dee-kom-puh n-sey-shuh n ]
/ ˌdi kɒm pənˈseɪ ʃən /


Medicine/Medical. the inability of a diseased heart to compensate for its defect.
Psychology. a loss of ability to maintain normal or appropriate psychological defenses, sometimes resulting in depression, anxiety, or delusions.

Origin of decompensation

First recorded in 1900–05; de- + compensation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for decompensation

British Dictionary definitions for decompensation


/ (diːˌkɒmpɛnˈseɪʃən) /


pathol inability of an organ, esp the heart, to maintain its function due to overload caused by a disease
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

Medicine definitions for decompensation


[ dē′kŏm-pən-sāshən ]


Failure of the heart to maintain adequate blood circulation, marked by labored breathing, engorged blood vessels, and edema.
The appearance or exacerbation of a mental disorder due to failure of defense mechanisms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.