caliginous
UK /kəˈlɪdʒɪnəs/ · US /kəˈlɪd͡ʒənəs/ adjective
Synonyms
adumbral blear cimmerian crepuscular dark darksome darkling dim dimpsy dingy dull dusky fuliginous gloomy infernal leaden lightless mirksome murky murksome
Antonyms
aglow alight beamful beamsome beamy brilliant effulgent glowing illuminating lambent lighted lit
Etymology
Borrowed from Middle French caligineux (“misty; obscure”), or directly from its Latin etymon cālīginōsus (“misty; dark, obscure”). Cālīginōsus is derived from cālīgō, cālīginis (“fog, mist, vapour; darkness, gloom”)) + -ōsus (suffix meaning ‘full of, prone to’ forming adjectives from nouns).
Webster’s 1913
Etymology [L. caliginosus; cf. F. caligineux.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “caliginous”, CC BY-SA 4.0. Details