intransitive. ‘To be dull or cloudy’ (Stratmann).

intransitive for passive. Of water, to grow turbid; of the sun or sky, to grow dark, cloudy, or stormy; of a storm, to rage. Also figurative. Obsolete…

intransitive. To become murky or gloomy. Cf. druvy, adj. 2.

intransitive. To become covered or overspread with clouds; to become dark, gloomy, overcast. English regional in later use. Now rare.

To become ‘cloudy’ or dim; to become overcast with clouds. Const. over, up.