Roget's Thesaurus by Peter Mark Roget

#3. Substantiality.—N. substantiality, hypostasis; person, being, thing, object, article, item; something, a being, an existence; creature, body, substance, flesh and blood, stuff, substratum; matter &c. 316; corporeity[obs3], element, essential nature, groundwork, materiality, substantialness, vital part. [Totality of existences], world &c. 318; plenum. Adj. substantive, substantial; hypostatic; personal, bodily, tangible &c. (material) 316; corporeal. Adv. substantially &c. adj.; bodily, essentially. #4. Unsubstantiality.—N. unsubstantiality[obs3], insubstantiality; nothingness, nihility[obs3]; no degree, no part, no quantity, no thing. nothing, naught, nil, nullity, zero, cipher, no one, nobody; never a one, ne'er a one[contr]; no such thing, none in the world; nothing whatever, nothing at all, nothing on earth; not a particle &c. (smallness) 32; 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[Lat], nonentity; flash in the pan, vox et praeterea nihil[Lat]. shadow; phantom &c.(fallacy of vision) 443; dream &c. (imagination) 515; ignis fatuus &c. (luminary) 423[Lat]; "such stuff as dreams are made of" [Tempest]; air, thin air, vapor; bubble &c. 353; "baseless fabric of a vision" [Tempest]; mockery. hollowness, blank; void &c. (absence) 187. inanity, fool's paradise. V. vanish, evaporate, fade, dissolve, melt away; disappear &c. 449. Adj. unsubstantial; baseless, groundless; ungrounded; without foundation, having no foundation. visionary &c. (imaginary) 515; immaterial &c. 137; spectral &c. 980; dreamy; shadowy; ethereal, airy; cloud built, cloud formed; gossamery, illusory, insubstantial, unreal. vacant, vacuous; empty &c. 187; eviscerated; blank, hollow; nominal; null; inane. Phr. there's nothing in it; "an ocean of dreams without a sound" [Shelley].