/in'seuh fish"euhn see/ , n. , pl. insufficiencies 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, insufficience .
[ 1375-1425; late ME insufficientia. See INSUFFICIENT, -ENCY ]