Definitions for "Lack"
Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
To be without or destitute of; to want; to need.
To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
Blame; cause of blame; fault; crime; offense.
To blame; to find fault with.
Exclamation of regret or surprise.
be without; "This soup lacks salt"; "There is something missing in my jewellery box!"
an internalized sense (feeling) of masculine adequacy
He was released for lack of evidence.