[ ten-uh-bruh s ]
/ ˈtɛn ə brəs /


dark; gloomy; obscure.
Also te·neb·ri·ous [tuh-neb-ree-uh s] /təˈnɛb ri əs/.

Origin of tenebrous

First recorded in 1375–1425; late Middle English word from Latin word tenebrōsus. See Tenebrae, -ous

Related forms

ten·e·brous·ness, nounun·ten·e·brous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tenebrous

British Dictionary definitions for tenebrous


tenebrious (təˈnɛbrɪəs)

/ (ˈtɛnəbrəs) /


gloomy, shadowy, or dark

Derived Forms

tenebrosity (ˌtɛnəˈbrɒsɪtɪ), tenebrousness or tenebriousness, noun

Word Origin for tenebrous

C15: from Latin tenebrōsus from tenebrae darkness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012