1. to grow dark or become darker; to darken
Usage: literary; archaic or poetic
2. to appear dark or gloomy
Usage: literary; archaic or poetic

Examples

• As evening approaches, the sky darkles above the horizon.
• The forest darkles beneath the heavy clouds.
• His mood darkles when he receives bad news.
• The room darkles as the sun sets behind the mountains.
• Storm clouds darkling gather in the distance.
• The landscape darkles into shadow as twilight falls.