Obscure
Unclear
Synonyms: Unclear, unknown, doubtful, mysterious, vague, concealed, uncertain, in doubt, dubious, hazy, indeterminate, and hidden.
Unknown
Synonyms: Little known, unheard of, insignificant, inconsequential, unnoticed, anonymous, humble, unrenowned, unrecognized, inglorious, unknown, undistinguished, unimportant, inconspicuous, nameless, minor, lowly, unsung, unhonoured, and forgotten.
Recondite
Synonyms: Abstruse, arcane, recherché, enigmatic, puzzling, baffling, cryptic, Delphic, riddling, opaque, unintelligible, incomprehensible, unfathomable, unexplained, recondite, esoteric, occult, mystifying, perplexing, ambiguous, equivocal, oracular, oblique, elliptical, uninterpretable, impenetrable, inexplicable, and as clear as mud.
Vague
Synonyms: Indistinct, vague, unclear, blurry, hazy, veiled, clouded, fuzzy, dim, black, sombre, shady, dusky, darkling, caliginous, faint, ill-defined, blurred, misty, foggy, cloudy, nebulous, dark, unlit, murky, gloomy, shadowy, tenebrous, crepuscular, and Cimmerian.
Cover
Synonyms: Hide, cover, shroud, mask, cast a shadow over, envelop, block, blank out, eclipse, enshroud, benight, adumbrate, conceal, veil, screen, cloak, shadow, mantle, block out, obliterate, overshadow, bedim, and obnubilate.
Cloud
Synonyms: Confuse, obfuscate, blur, muddy the waters, befog, complicate, cloud, muddy, and becloud.
Example Sentences
The meaning was obscure at first.
They visited an obscure village yesterday.
The clouds obscure the mountain view.
His references were too obscure here.