Definitions

1. adjective

relating to or characteristic of the Cimmerians, a group of people mentioned in ancient Greek literature as living in the north of the Black Sea

“The cimmerian landscape stretched out before them, a vast expanse of frozen tundra.”

2. noun

a state or period of coldness, darkness, and gloom, especially of the mind

“He had been in a cimmerian mood all day, unable to shake off the feeling of despair.”