insubstantial Definition

unsubstantial, jejune, ethereal, unreal, airy, wraithlike, shadowy, unwholesome, aerial, aeriform, aery, insignificant, flimsy, vacuous, trifling, negligible, bland, scant, feeble, meager, insufficient, thin, sparse, inadequate, meagre, weak, inconsistent, porous, skinny, disappointing, scarce, poor, lean, inconsequential, unimportant, trivial, ephemeral, nugatory, immaterial, superfluous, illusory, evanescent, implausible, meaningless, irrelevant, nebulous, unconvincing, uninteresting, substanceless, banal, vague, innocuous, vaporous, specious, perfunctory, unremarkable, formless, superficial, puny, devoid, vapid, extraneous, pointless, paltry, shapeless, risible, fleeting, piffling, stagey, tangential, trite, unaffecting, fanciful, unamusing, incidental, unmemorable, fatuous, footling, leaden, mere, unpersuasive, unfocused, contentless, gratuitous, immaterialize, prosaic, gossamer, laughable, otiose, preposterous, indistinctive, unexceptional, forgivable, tricksy, stagy, skimpy, chimerical, sententious, minuscule, unspecific,