Aphotic and Dun

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

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

Dun adjective - Of a dull greyish brown to brownish grey color.

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