the GNU version of the Collaborative International Dictionary of English
adj. Dark; gloomy; dusky; tenebrious.
The Century Dictionary and Cyclopedia
Dark; gloomy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. dark and gloomy
Word Usage
"She is gifted a lesson on Napoleon's maxim — "force equals mass times velocity" — and corrected in her pronunciation of "tenebrous," which, says Black, should be "ten-E-brous.""