(1):

(a.) Abandoned to punishment; hence, morally abandoned and lost; given up to vice; depraved.

(2):

(a.) Of or pertaining to one who is given up to wickedness; as, reprobate conduct.

(3):

(a.) Not enduring proof or trial; not of standard purity or fineness; disallowed; rejected.

(4):

(n.) One morally abandoned and lost.

(5):

(v. t.) To abandon to punishment without hope of pardon.

(6):

(v. t.) To disapprove with detestation or marks of extreme dislike; to condemn as unworthy; to disallow; to reject.