English dictionary

deficiency

/d/I/'f/I//S//@/ns/i/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the state of needing something that is absent or unavailable

noun.state

Examples
Water is the critical deficiency in desert regions.

Synonyms lack want

Source: WordNet 3.0
lack of an adequate quantity or number

noun.attribute

Synonyms inadequacy insufficiency

Antonyms adequacy sufficiency

Source: WordNet 3.0
The state of being deficient; inadequacy; want; failure; imperfection; shortcoming; defect.

noun

Source: webster1913