This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The quality or condition of being inadequate.

n. An instance of being inadequate; a failing or lack.

n. the state of being inadequate

n. a shortage of required material

n. a lack of competence or ability

n. The quality or state of being inadequate or insufficient; defectiveness; insufficiency; inadequateness.

n. The state or quality of being inadequate, insufficient, or disproportionate; incompleteness; defectiveness.

n. lack of an adequate quantity or number

n. a lack of competence

n. unsatisfactoriness by virtue of being inadequate

"Finally, he spoke to what he described as the inadequacy of the police pension system, which denies benefits to survivors if their loved one has not served at least 10 years."

weakness    failing    unsatisfactoriness   

defectiveness    insufficiency    inadequateness   

inability    helplessness    inferiority    insufficiency    imperfection    impotence    inaccuracy    incompetence    impossibility    feebleness