lightless.

Receiving or containing no light, or described as having no visible illumination.

Use it for

Words that belong together

• a lightless corridor
• a lightless chamber
• a lightless night

On the page

The lift stopped at a lightless floor no one had mentioned.

A lightless chamber opened beyond the reach of her lamp.

Usage notes

Primary category: setting. Forms: Usually non-gradable for absence of light; use darker for ordinary comparisons of brightness. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.