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

1. Make dark, dim, or gloomy
   "The heavy clouds murked the sky";
   - mirk [archaic]

Derived forms: murks, murking, murked

Type of: atmosphere, atmospheric state, darken

Encyclopedia: Murk