Open English Wordnet
Nouns
Adjectives
(a)intangible(of especially business assets) not having physical substance or intrinsic productive value“intangible assets such as good will”
(a)intangible, impalpableincapable of being perceived by the senses especially the sense of touch“the intangible constituent of energy” (James Jeans)
(s)intangible, nonphysicallacking substance or reality; incapable of being touched or seen“that intangible thing--the soul”
