Meaning of the word sunless in English

What does sunless mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sunless

US /ˈsʌn.ləs/
UK /ˈsʌn.ləs/

Adjective

without sun; dark or gloomy

Example:
The old castle had many dark and sunless rooms.
We spent a sunless day indoors due to the heavy rain.