Synonyms and related words :
alike, all one, all the same, blear, bleared, bleary, blurred, blurry, confused, consubstantial, dark, dim, duplicate, equal, equivalent, exactly alike, faint, feeble, filmy, foggy, fuzzy, half-seen, half-visible, hazy, homoousian, identic, identical, ill-defined, imperceptible, inconspicuous, indefinite, indiscernible, indistinct, indistinctive, inseparable, interchangeable, just alike, like, low-profile, merely glimpsed, misty, obscure, one, out of focus, pale, same, selfsame, semivisible, shadowy, standard, stereotyped, tantamount, twin, uncertain, unclear, undefined, undifferent, undifferentiated, undiscriminated, undistinguishable, undistinguished, uniform, unplain, unrecognizable, vague, weak, without difference, without distinction