Unlit (adjective)

1. Not having been set alight.
2. Not having a source of light.
3. Not illuminated.

Origin:

Late middle english: from un- "not" + lit.

Examples:

1. The room was unlit and shrouded in darkness.
2. The unlit candle sat on the table.
3. The unlit fireplace provided no warmth.
4. The unlit path through the forest was treacherous.
5. The unlit billboard was an eyesore on the highway.