To obscure or overshadow.
To foreshadow vaguely.
To give a vague outline.
To cloud, obscure, or perplex; to render less clear or intelligible.
To become gloomy, darker in mood.
To render gloomy, darker in mood.
To become dark or darker (having less light).
To make dark or darker by reducing light.
To make dark or darker in colour.
To blind, impair the eyesight.
To become dark or darker in colour.
To be blinded, lose one’s eyesight.
To make foul; to sully; to tarnish.
To get dark (referring to the sky, either in the evening or as a result of cloud).