Black"en (?), 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.
While the long funerals blacken all the way. Pope.
2.
To make dark; to darken; to cloud.
"
Blackened the whole heavens."
South.
3.
To defame; to sully, as reputation; to make infamous; as, vice blackens the character.
Syn. -- To denigrate; defame; vilify; slander; calumniate; traduce; malign; asperse.
© Webster 1913.
Black"en, v. i.
To grow black or dark.
© Webster 1913.