phantasmal, ethereal, miasmic, formless, apparitional, depthless, opiated, oneiric, diaphanous, unnamable, contentless, gauzy, gossamer, evanescent, numinous, chthonic, vacuous, lucent, tenebrous, hypnagogic, graspable, refulgent, dreamy, illimitable, washy, affectless, ineffable, insubstantial, nimbus, chimerical, impalpable, ephemeral, stygian, overfamiliar, pellucid, indistinctive, somnambulistic, colorless, unpoetic, inky, hyperbolized, saturnine, luminous, muzzy, nabokovian, solipsistic, protoplasmic, lumpish, nebulous, noxious, hazy, phantasmagoric, onomatopoetic, reified, uninflected, nacreous, hallucinatory, cloudlike, oracular, billet doux, platitudinous, effulgent, lambent, prolix, bodiless, vapid, cerulean blue, wispy, delusory, obscurant, connotative, faery, cloaked, dolorous, banal, resiny, waxen, softheaded, epicene, daliesque, ghostlike, apollonian, literalized, rhapsodic, polysyllabic, excremental, polytonal, eggheaded, edgeless, ex nihilo, ghostly, unornamented, aphoristic, refracting, earthlike, indistinct, objective correlative, disembodied, bloviation, scrofulous, incorporeal, sententious, vapory, misty, sulphurous, foggy, lifeless, cloudy, denser, obscuring, putrid, malodorous, motionless, murky, sulfurous

water vapor, water vapour

cobwebby, filmy, gaseous, miasmal, see-through, sheer, thin, transparent, vaporific, vaporish, vapourific, vapourish, vapourous