air-built, airy, aleatoric, aleatory, amorphous, asomatous, astral, blear, bleared, bleary, blind, blobby, blurred, blurry, bodiless, bosky, bowery, broad, cadaverous, chance, chancy, chaotic, chimerical, clear as mud, cloud-built, cloudy, confused, corpselike, dark, darkling, deathlike, decarnate, decarnated, dim, discarnate, disembodied, disordered, dreamlike, dusky, ectoplasmic, ethereal, etheric, extramundane, faint, fancied, fanciful, fatuitous, fatuous, feeble, filmy, fleeting, foggy, fuzzy, gaseous, general, ghostish, ghostlike, ghostly, ghosty, gloomy, gossamery, half-seen, half-visible, hallucinatory, hazy, hit-or-miss, ill-defined, illusory, imaginary, imagined, immaterial, impalpable, imponderable, imprecise, inaccurate, inchoate, incoherent, inconspicuous, incorporate, incorporeal, indecisive, indefinable, indefinite, indeterminable, indeterminate, indistinct, indistinguishable, inexact, insubstantial, intangible, lax, leafy, loose, low-profile, merely glimpsed, misty, muddy, murky, nebulous, nonmaterial, nonphysical, nonspecific, notional, obscure, obumbrate, obumbrated, occult, opaque, orderless, otherworldly, out of focus, overshaded, overshadowed, pale, penumbral, phantasmal, phantasmic, phantom, phantomic, phantomlike, psychic, random, rarefied, semivisible, shaded, shadow, shadowed forth, shady, shapeless, specterlike, spectral, spiritual, spirituous, stochastic, subtile, subtle, supernatural, sweeping, tenuous, transcendent, transitory, transmundane, umbral, uncertain, unclear, undefined, undestined, undetermined, unearthly, unembodied, unextended, unfleshly, unphysical, unplain, unreal, unrecognizable, unspecified, unsubstantial, unworldly, vague, vaporous, veiled, visionary, weak, windy, wraithlike, wraithy
inexistence, nonexistence, nonsubsistence, nonentity, nil, negativeness, nullity, nihility, nihilism, tabula rasa, blank, abeyance, absence, no such thing, nonbeing, nothingness, oblivion, annihilation, extinction, extinguishment, extirpation, Nirvana, obliteration, inexistent, nonexistent, negative, blank, missing, omitted, absent, insubstantial, shadowy
, spectral, visionary, unreal, potential, virtual, baseless, in nubibus, unsubstantial, vain, unborn, uncreated, unbegotten, unconceived, unproduced, unmade, perished, annihilated extinct, exhausted, gone, lost, vanished, departed, gone with the wind, defunct, fabulous, ideal, supposititious &c, negatively, virtually, non ens.
unsubstantiality, insubstantiality, nothingness, nihility, no degree, no part, no quantity, no thing, nothing, naught, nil, nullity, zero, cipher, no one, nobody, never a one, ne'er a one, no such thing, none in the world, nothing whatever, nothing at all, nothing on earth, not a particle, all talk, moonshine, stuff and nonsense, matter of no importance, matter of no consequence, thing of naught, man of straw, John Doe and Richard Roe, faggot voter, nominis umbra, nonentity, flash in the pan, vox et praeterea nihil, shadow, phantom, dream, ignis fatuus, such stuff as dreams are made of, air, thin air, vapor, bubble, baseless fabric of a vision, mockery, hollowness, blank, void, inanity, fool's paradise, unsubstantial, baseless, groundless, ungrounded, without foundation, having no foundation, visionary, immaterial, spectral, dreamy, shadowy
, ethereal, airy, cloud built, cloud formed, gossamery, illusory, insubstantial, unreal, vacant, vacuous, empty, eviscerated, blank, hollow, nominal, null, inane, there's nothing in it, an ocean of dreams without a sound.
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.