v. t. [ imp. & p. p. Blackened p. pr. & vb. n. Blackening. ] [ See Black, a., and cf. Black, v. t. ] 1. To make or render black. [ 1913 Webster ]
While the long funerals blacken all the way. Pope. [ 1913 Webster ]
2. To make dark; to darken; to cloud. “Blackened the whole heavens.” South. [ 1913 Webster ]
3. To defame; to sully, as reputation; to make infamous; as, vice blackens the character. [ 1913 Webster ]
Syn. -- To denigrate; defame; vilify; slander; calumniate; traduce; malign; asperse. [ 1913 Webster ]
v. i. To grow black or dark. [ 1913 Webster ]
n. One who blackens. [ 1913 Webster ]