coal
black
1
having a very dark black color
- The cat's fur was coal-black, blending seamlessly into the shadows of the night.
- Against the backdrop of the coal-black sky, the stars twinkled like distant diamonds.
- The coal-black smoke billowed from the factory chimney, darkening the sky and polluting the air.
- The coal-black ink stained the parchment, forming intricate patterns and swirling designs.
- The coal-black clouds on the horizon signaled an approaching storm, sending people scurrying for shelter.