Pronunciation: (in"su-fish'un-sē), [key]
—pl. -cies for 2.
1. deficiency in amount, force, power, competence, or fitness; inadequacy: insufficiency of supplies.
2. an instance of this.
3. inability of an organ or other part of the body to function normally: cardiac insufficiency. Also,in"suf•fi'cience.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.