Kimmerian \Kim*me"ri*an\, a. See {Cimmerian}. Cimmerian \Cim*me"ri*an\, a. [L. Cimmerius.] [Written also {Kimmerian}.] 1. Pertaining to the Cimmerii, a fabulous people, said to have lived, in very ancient times, in profound and perpetual darkness. 2. Without any light; intensely dark. In dark Cimmerian desert ever dwell. --Milton.