1. (v. t.) To blacken thoroughly; to make very black.

2. (v. t.) Fig.: To blacken or sully; to defame.

asperse bedarken besmirch bespatter black blacken blackwash blot blotch call names calumniate charcoal cork darken defame defile deprecate depreciate despise dinge discommend disdain disparage dispraise disvalue ebonize engage in personalities heap dirt upon hold in contempt ink libel melanize muckrake murk nigrify oversmoke put down revile ridicule scandalize shade shadow slander smear smirch smoke smudge smut smutch soil soot stigmatize sully tarnish tear down throw mud at traduce vilify