CIMMERIAN
Cimmerian
(adjective) intensely dark and gloomy as with perpetual darkness; “the Cimmerian gloom...a darkness that could be felt”-Norman Douglas
Source: WordNet® 3.1
Etymology
From Cimmerian.
Adjective
cimmerian (comparative more cimmerian, superlative most cimmerian)
(poetic) perpetually dark or gloomy
(figuratively) mentally dark; ignorant
Etymology 1
Noun
Cimmerian (plural Cimmerians)
(Greek mythology) Any of the mythical people supposed to inhabit a land of perpetual darkness.
one of the Cimmerii, ancient equestrian nomads of Indo-European origin
(historical) the prophetic priestess presiding over the Apollonian Oracle at Cimmerium in Italy.
Adjective
Cimmerian (comparative more Cimmerian, superlative most Cimmerian)
Pertaining to the ancient Cimmerians.
Characteristic of Cimmeria; especially describing particularly dense darkness etc.
Proper noun
Cimmerian
the language of the Cimmerians, possibly belonging to the Iranian branch
Etymology 2
Adjective
Cimmerian (not comparable)
related to the prehistoric continent of Cimmeria
Source: Wiktionary
Cim*me"ri*an, a. Etym: [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.
Source: Webster’s Unabridged Dictionary 1913 Edition