Ten"e*brous (?), a. [L. tenebrosus, fr. tenebrae darkness: cf. F. t'en'ebreux.]
Dark; gloomy; dusky; tenebrious.
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Ten"e*brous*ness, n.
The most dark, tenebrous night.
J. Hall (1565).
The towering and tenebrous boughts of the cypress.
Longfellow.
© Webster 1913.