[ in-suh-fish-uh n-see ]
/ ˌɪn səˈfɪʃ ən si /

noun, plural in·suf·fi·cien·cies for 2.

deficiency in amount, force, power, competence, or fitness; inadequacy: insufficiency of supplies.
an instance of this.
inability of an organ or other part of the body to function normally: cardiac insufficiency.
Also in·suf·fi·cience.

Origin of insufficiency

First recorded in 1375–1425; late Middle English word from Late Latin word insufficientia. See insufficient, -ency

OTHER WORDS FROM insufficiency

self-in·suf·fi·cien·cy, noun, plural self·-in·suf·fi·cien·cies. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for insufficiency

British Dictionary definitions for insufficiency

/ (ˌɪnsəˈfɪʃənsɪ) /


Also called: insufficience the state of being insufficient
pathol failure in the functioning of an organ, tissue, etccardiac insufficiency
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

Medical definitions for insufficiency

[ ĭn′sə-fĭshən-sē ]


An inability of a bodily part or an organ to function normally.
A moral or mental incompetence.
An inadequate supply.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.