Entry 1 sense Webster, 1913 grungy · IPA /ˈɡɹʌnd͡ʒi/ 01 adj. thickily covered with ingrained dirt or soot; as, a grungy kitchen. 1. thickily covered with ingrained dirt or soot; as, a grungy kitchen. Syn. begrimed, dingy, grimy, grubby.