Main Entry: dar·kle

Pronunciation: \ˈdär-kəl\

Function: intransitive verb

Inflected Form(s): dar·kled; dar·kling \-k(ə-)liŋ\

Etymology: back-formation from darkling

Date: 1800

1 a : to become clouded or gloomy b : to grow dark
2 : to become concealed in the dark