darkle
/ˈdɑrkəl/
verb
- To become dark or gloomy; to grow dim or obscure.
- She watched the horizon darkle as the sun slipped below the sea.
- The old photograph had darkled with age, its colors fading into shadows.
- As the storm approached, the sky began to darkle ominously.
- To appear darkly or indistinctly; to show as a dark shape or mass.
- The forest darkled with mystery as the last light vanished.
- In the twilight, the distant mountains darkled against the purple sky.
- Through the fog, the outline of the ship darkled on the water.