1. [ noun ] lack of an adequate quantity or number
Synonyms: deficiency insufficiency

"the inadequacy of unemployment benefits"

Related terms: sufficiency sufficiency amount deficit scarcity meagerness
2. [ noun ] a lack of competence
Synonyms: insufficiency

"pointed out the insufficiencies in my report" "juvenile offenses often reflect an inadequacy in the parents"

Related terms: failing
3. [ noun ] unsatisfactoriness by virtue of being inadequate
Synonyms: inadequateness
Related terms: adequacy unsatisfactoriness
Similar spelling:   inadequately