imponderable (n.)
imponderable (adj.)
- airy
- astral
- atomic
- bodiless
- corpuscular
- disembodied
- embryonic
- ethereal
- evanescent
- germinal
- ghostly
- granular
- immaterial
- impalpable
- imperceptible
- inappreciable
- incomprehensible
- inconceivable
- incorporate
- incorporeal
- indiscernible
- inestimable
- infinitesimal
- insensible
- insubstantial
- intangible
- invisible
- microcosmic
- microscopic
- molecular
- nonmaterial
- nonphysical
- occult
- otherworldly
- phantom
- psychic
- shadowy
- spiritual
- subatomic
- subtle
- supernatural
- tenuous
- thin
- transmundane
- ultramicroscopic
- unapparent
- unearthly
- unembodied
- unextended
- unmeasurable
- unobservable
- unperceivable
- unseeable
- unsubstantial
- unworldly
- weightless
