adumbral
/əˈdʌmbrəl/
adjective
- Relating to or resembling a shadow; shadowy or dark.
- The artist used adumbral tones to create a sense of depth in the painting.
- As the sun set, the forest became adumbral and mysterious.
- The old attic had an adumbral quality, with only a sliver of light coming through the window.
Antonyms