tenebrous Meaning, Definition & Usage

  1. adjective satellite dark and gloomy
    tenebrious; tenebrific.
    • a tenebrous cave

WordNet

Ten"e*brous adjective
Etymology
L. tenebrosus, fr. tenebrae darkness: cf. F. ténébreux.
Definitions
  1. Dark; gloomy; dusky; tenebrious. -- Ten"e*brous*ness, n.
    The most dark, tenebrous night. J. Hall (1565).
    The towering and tenebrous boughts of the cypress. Longfellow.

Webster 1913