Synonyms of tenebrous

1 Syllable

dusk, dun, dark, dims, dim

2 Syllables

vague, sullen, dimmest, cryptic, murkier, darker, vaguest, dismal, murky, adusk, twilit, dusky, mater, unclear, lightless, duskier, rayless, sunless, unlit, dimmer, vaguer, dingy, duner, somber, muzzier, shady, muzzy, matest, gloomier, gloomy, darkest

3 Syllables

aphotic, shadowy, obscure, ill-lighted, unlighted, nubilous, uncertain, ambiguous

4 Syllables

multivocal, polysemous, equivocal, caliginous, crepuscular, fuliginous, inexplicit, unexplicit, overclouded

5 Syllables

problematical

6 Syllables

unintelligible, uninformative, amphibological, unilluminated