There was nothing there ut the fea&red needles of pine trees, impenetrably black against the spread of stars.

Impenetrably black and endlessly deep, it stretched away in either direction as far as the eye could see.

There was a faint shimmer of light in the hall, but the study doorway yawned impenetrably black.

The shafts beyond were impenetrably black.

The night remained clouded and completely, impenetrably black, making it nearly impossible to see more than several yards ahead.

The basic outfit involved a tight knee-length skirt and an hourglass wool sweater, both impenetrably black.

A tube of impenetrably black air, which even the photon amp had difficulty discerning.

The air around the Edenists turned impenetrably black, flowing like oily smoke around their bodies.

The sun was well up the sky, leaving fewer shadows, but these were impenetrably black.

The space between them as impenetrably black.