N. 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
Adj. 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 Phr. there's nothing in it, "an ocean of dreams without a sound", 3, formal existence internal conditions
N. levity, lightness,
imponderability, # buoyancy,
volatility,
feather, dust,
mote, down,
thistle, down,
flue,
cobweb,
gossamer, straw, cork,
bubble,
balloon,
float,
buoy, ether, air,
leaven,
ferment,
barm,
yeast, lighter-than-air balloon, helium balloon, hydrogen balloon, hot air balloon,
convection, thermal draft,
thermal Adj. light,
subtile,
airy,
imponderous,
imponderable,
astatic, weightless,
ethereal,
sublimated,
gossamery,
suberose,
suberous, uncompressed, volatile,
buoyant, floating, portable, light as a feather, light as a thistle, light as air, lighter than air, rise like a balloon, float like a balloon, 1, solid matter
N. gaseity,
vaporousness,
flatulence, # flatulency,
volatility,
aeration,
aerification, elastic fluid, gas, air,
vapor, ether, steam, essence,
fume,
reek,
effluvium,
flatus, cloud, ammonia, ammoniacal gas, volatile alkali,
vacuum, partial vacuum,
pneumatics, pneumatostatics,
aerostatics,
aerodynamics, gasmeter,
gasometer,
air bladder, swimming bladder, sound (of a fish)
