Medical Definition of insufficiency
: the quality or state of not being sufficient: asa: lack of adequate supply of something <an insufficiency of vitamins>b: lack of physical power or capacity; especially : inability of an organ or bodily part to function normally <renal insufficiency> <pulmonary insufficiency>—compare aortic regurgitation
Learn More about insufficiency
Dictionary: Definition of "insufficiency" Thesaurus: All synonyms and antonyms for "insufficiency" Spanish Central: Translation of "insufficiency" Nglish: Translation of "insufficiency" for Spanish speakers Britannica English: Translation of "insufficiency" for Arabic speakers
Seen and Heard
What made you want to look up insufficiency? Please tell us where you read or heard it (including the quote, if possible).