1 dark, unlit, gloomy, sombre, dismal, murky, dusky, black, Cimmerian, tenebrous, dim, faint, blurred, veiled, shadowy, subfusc, subfuscous, umbral, shady, hazy, foggy, befogged, clouded, nebulous, overcast, cloudy:
The traveller's lantern was barely seen in the obscure reaches of the wood.
2 unclear, uncertain, ambiguous, vague, hazy, doubtful, dubious, equivocal, indefinite, indistinct, fuzzy, blurred, confused, confusing, Delphic, puzzling, enigmatic, perplexing, baffling, mystifying, mysterious, cryptic, incomprehensible, unfamiliar, foreign, strange:
The sorcerer muttered some obscure words, and a golden horse stood prancing before them
3 secret, concealed, hidden, remote, out-of-the-way, inconspicuous, unnoticeable, secluded, unnoticed:
The caped figure scurried down the alley and disappeared into some obscure doorway
4 unknown, unheard-of, anonymous, unnamed, insignificant, unimportant, inconsequential, humble, lowly, mean, inglorious, inconspicuous, undistinguished, unnoticed, unsung, minor, little-known:
Though extremely popular, the song was written by an obscure composer.
5 abstruse, arcane, recondite, esoteric, intricate, complex, occult, out of the ordinary, unfamiliar, Colloq far-out:
He is an authority on some obscure subject like Coptic calligraphy.
6 cover, conceal, hide, veil, shroud, cloak, mask, screen, disguise, keep from:
Her link with military intelligence was obscured from her family.
7 dim, bedim, cloud, becloud, dull, shroud, shade, adumbrate, overshadow, darken, obfuscate, block, eclipse:
The street lamp was obscured by trees.