(1):

(n.) Deficiency; want; need; destitution; failure; as, a lack of sufficient food.

(2):

(n.) Blame; cause of blame; fault; crime; offense.

(3):

(v. i.) To be in want.

(4):

(v. t.) To blame; to find fault with.

(5):

(v. t.) To be without or destitute of; to want; to need.

(6):

(v. i.) To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.

(7):

(interj.) Exclamation of regret or surprise.