Obscure

abstruse ambiguous arcane clear as mud complicated concealed confusing cryptic dark deep dim doubtful enigmatic enigmatical esoteric far-out hazy hidden illegible illogical impenetrable incomprehensible inconceivable incredible indecisive indefinite indeterminate indistinct inexplicable inscrutable insoluble intricate involved mysterious occult opaque recondite unaccountable unbelievable unclear undefined unfathomable unintelligible vague

blurred caliginous clouded dark dense dim dusk dusky faint fuliginous gloomy indistinct lightless murky obfuscated shady somber tenebrous umbrageous unilluminated unlit veiled

abstruse arcane blind cabalistic close covered cryptic dark deep devious distant enigmatic esoteric far far-off hidden humble inaccessible inconspicuous inglorious invisible irrelevant lonesome lowly minor mysterious nameless odd oracular orphic rare recondite remote removed reticent retired secluded secret secretive seldom seen sequestered solitary undisclosed undistinguished unheard-of unhonored unimportant unknown unnoted unseen unsung