airy, asomatous, astral, atomic, bodiless, corpuscular, decarnate, decarnated, discarnate, disembodied, embryonic, ethereal, evanescent, extramundane, germinal, ghostly, granular, immaterial, impalpable, imperceptible, inappreciable, incomprehensible, inconceivable, incorporate, incorporeal, indiscernible, inestimable, infinitesimal, insensible, insubstantial, intangible, invisible, microcosmic, microscopic, molecular, nonmaterial, nonphysical, nonsubstantial, occult, otherworldly, phantom, psychic, shadowy, spiritual, subatomic, subtle, supernatural, tenuous, thin, transmundane, ultramicroscopic, unapparent, unappreciable, unconcrete, unearthly, unembodied, unextended, unfleshly, unmeasurable, unobservable, unperceivable, unphysical, unseeable, unsolid, unsubstanced, unsubstantial, unweighable, unworldly, weightless