Definition of: darken

(där′kən) v.t.
1. To make dark or darker; deprive of light.
2. To make dark in color; make black.
3. To fill with gloom; sadden.
4. To blind.
5. To obscure; confuse.
—v.i.
6. To grow dark or darker.
7. To become sad or gloomy; grow dark or flushed, as the face with anger or hatred.
8. To become blind.
—dark′en·er noun