THESAURUS
inconspicuous
blear, bleared, bleary, blurred, blurry, confused, dark, dim, discreet, faint, feeble, filmy, foggy, fuzzy, half-seen, half-visible, hazy, ill-defined, indefinite, indistinct, indistinguishable, insignificant, low-profile, merely glimpsed, misty, modest, obscure, out of focus, pale, semivisible, shadowy, unassuming, uncertain, unclear, undefined, undistinguished, unemphatic, unnoticeable, unnoticed, unobtrusive, unostentatious, unplain, unrecognizable, vague, weak
ROGET THESAURUS
inconspicuous
Invisibility
N
invisibility, invisibleness, nonappearance, imperceptibility, indistinctness, mystery, delitescence, concealment, latency, invisible, imperceptible, undiscernible, indiscernible, unapparent, non-apparent, out of sight, not in sight, a perte de vue, behind the scenes, behind the curtain, viewless, sightless,
inconspicuous, unconspicuous, unseen &c (see), covert, eclipsed, under an eclipse, dim, mysterious, dark, obscure, confused, indistinct, indistinguishable, shadowy, indefinite, undefined, ill- defined, ill-marked, blurred, fuzzy, out of focus, misty, delitescent, hidden, obscured, covered, veiled (concealed), full many a flower is born to blush unseen.