(1):

(a.) Overthrown; beaten; conquered.

(2):

(a.) Broken down in respect of rectitude, principle, virtue, or decency; openly and shamelessly immoral or vicious; dissolute; as, profligate man or wretch.

(3):

(n.) An abandoned person; one openly and shamelessly vicious; a dissolute person.

(4):

(v. t.) To drive away; to overcome.