1. An atmosphere in which visibility is reduced because of a cloud of some substance
   "The mirk of the foggy night made driving dangerous";
   - fog, fogginess, murk, murkiness

1. Make dark, dim, or gloomy
   "The heavy clouds mirked the sky";
   - murk

Derived forms: mirks, mirked, mirking

Type of: atmosphere, atmospheric state, darken

Encyclopedia: Mirk, Sarah