1. the state or quality of being without rays of light; darkness
Usage: literary

Examples

• The cave’s complete raylessness made navigation impossible without a flashlight.
• The storm clouds brought an eerie raylessness to the afternoon sky.
• In the depths of winter, the raylessness of the polar night affects many residents.
• The thick forest canopy created a raylessness that few plants could survive.
• The eclipse brought temporary raylessness to the landscape.
• Underground miners work in complete raylessness for hours each day.