Main Entry: in·suf·fi·cien·cy

Pronunciation: \ˌin(t)-sə-ˈfi-shən(t)-sē\

Function: noun

Inflected Form(s): plural in·suf·fi·cien·cies

Date: 1526

1 : the quality or state of being insufficient: as a : lack of mental or moral fitness : incompetence <the insufficiency of this person for public office> b : lack of adequate supply <insufficiency of provisions> c : lack of physical power or capacity; especially : inability of an organ or body part to function normally <renal insufficiency>
2 : something that is insufficient or falls short of expectations