'Tenebrious' definitions:

Definition of 'tenebrious'

From: WordNet
adjective
Dark and gloomy; "a tenebrous cave" [syn: tenebrous, tenebrific, tenebrious]

Definition of 'Tenebrious'

From: GCIDE
  • Tenebrious \Te*ne"bri*ous\, a. Tenebrous. --Young. [1913 Webster]