- lack of sufficiency; deficiency; inadequacyalso Rarein·suf·fi′cience
- inability or failure of an organ or tissue to perform its normal function: said esp. of a heart valve or heart muscle
Origin of insufficiencyLate Latin insufficientia
- The quality or state of being insufficient, especially:a. Inadequate supply: an insufficiency of funds.b. Inability of a bodily part or organ to function normally: cardiac insufficiency.c. Moral or mental incompetence.
- A failing; an inadequacy: pointed out the insufficiencies in my report.