Cimmerian and Rayless

Cimmerian adjective - Causing or marked by an atmosphere lacking in cheer.

Rayless and cimmerian are semantically related in lack of light topic. In some cases you can use "Rayless" instead an adjective "Cimmerian".

Rayless adjective - Being without light or without much light.

Cimmerian and rayless are semantically related in lack of light topic. Sometimes you can use "Cimmerian" instead an adjective "Rayless".