imponderable as a noun: - 1
as an adjective: - 1
imponderable
noun
1 imponderable
A factor whose effects cannot be accurately assessed.
Polish: imponderabilia
adjective
1 imponderable
Difficult or impossible to evaluate with precision.
Roget 320:
light,
subtile,
airy;
imponderous†,
imponderable;
astatic†,
weightless,
ethereal,
sublimated;
gossamery;
suberose†,
suberous†;
uncompressed,
volatile;
buoyant,
floating
etc.
v.;
portable.
light as a feather,
light as a thistle,
light as air;
lighter than air;
rise like a balloon,
float like a balloon
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Moby thesaurus: 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 ... show more.
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