Darken :: Darken (a.) To make dark or black; to deprive of light; to obscure; as, a darkened room..
Darken :: Darken (a.) To render dim; to deprive of vision.
Darken :: Darken (a.) To cloud, obscure, or perplex; to render less clear or intelligible..
Darken :: Darken (a.) To make foul; to sully; to tarnish.
Darkener :: Darkener (n.) One who, or that which, darkens..