From The Collaborative International Dictionary of English v.0.44 [gcide]:
From WordNet (r) 2.0 [wn]:
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
48 Moby Thesaurus words for "tenebrous": ambiguous, amphibological, beamless, black, black as night, caliginous, dark, dark as night, dark as pitch, darkling, darksome, dim, dusk, dusky, ebon, ebony, eclipsed, equivocal, gloomy, murky, night-black, night-clad, night-cloaked, night-dark, night-enshrouded, night-filled, night-mantled, night-veiled, obfuscated, obscure, obscured, occulted, pitch-black, pitch-dark, pitchy, rayless, sibylline, starless, sunless, tenebrious, tenebrose, uncertain, unclear, unilluminated, unintelligible, unlighted, unlit, vague
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