(1):

(v. t.) To harm or destroy the good fame or reputation of; to disgrace; especially, to speak evil of maliciously; to dishonor by slanderous reports; to calumniate; to asperse.

(2):

(v. t.) To render infamous; to bring into disrepute.

(3):

(v. t.) To charge; to accuse.

(4):

(n.) Dishonor.