- insufficiency, inadequacy, deficiency - lack of an adequate quantity or number; "the inadequacy of unemployment benefits"
--1 is a kind of amount
Antonyms: sufficiency, adequacy
--1 has particulars:meagerness, meagreness, poorness, scantiness, scantness, exiguity; deficit, shortage, shortfall; scarcity, scarceness - insufficiency, inadequacy - a lack of competence; "pointed out the insufficiencies in my report"; "juvenile offenses often reflect an inadequacy in the parents"
--2 is a kind of failing, weakness
- inadequacy, inadequateness - unsatisfactoriness by virtue of being inadequate
--3 is a kind of unsatisfactoriness
Antonyms: adequacy, adequateness