Tenebrous \Ten"e*brous\, a. [L. tenebrosus, fr. tenebrae
darkness: cf. F. t['e]n['e]breux.]
Dark; gloomy; dusky; tenebrious. -- {Ten"e*brous*ness}, n.
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The most dark, tenebrous night. --J. Hall
(1565).
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The towering and tenebrous boughts of the cypress.
--Longfellow.
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