Tenebrific: alternatives and connections

In a less literal sense: Enveloped or shrouded in darkness; very dark or gloomy; as, a black night; the heavens black with clouds.

Having a black, dark, or gloomy face or aspect.

To grow bright, or more bright; to become less dark or gloomy; to clear up; to become bright or cheerful.

Becoming dark or gloomy; frowing.

With a dark, gloomy, cruel, or menacing look.

Dark; gloomy; obscure; shaded; cheerless.

Soiled; sullied; of a dark or dusky color; dark brown; dirty.

A shady, gloomy, or dark place or grove.

dark; gloomy; dismal.

Dark with clouds, or ready to rain; gloomy; -- said of the sky.

The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image…

A large and powerful feline animal (Felis onca), ranging from Texas and Mexico to Patagonia. It is usually brownish yellow, with large…

Having light; lighted; not dark or gloomy; bright.

To be dark, gloomy, and threatening, as clouds; to be covered with dark and threatening clouds, as the sky; to show threatening signs…

Dark and threatening; gloomy; sullen; as, lowering clouds or sky.

Dark; gloomy; murky.

Dark; gloomy; murky.

Dark; gloomy. See Murky.