Aphotic and Unlit

Aphotic adjective - Lacking light; especially not reached by sunlight.

Unlit and aphotic are semantically related in lack of light topic. In some cases you can use "Unlit" instead an adjective "Aphotic".

Unlit adjective - Being without light or without much light.

Aphotic and unlit are semantically related in lack of light topic. Sometimes you can use "Aphotic" instead an adjective "Unlit".