intangible

assets that are saleable though not material or physical

(of especially business assets) not having physical substance or intrinsic productive value

• “intangible assets such as good will”

incapable of being perceived by the senses especially the sense of touch

• “the intangible constituent of energy” James Jeans

hard to pin down or identify

• “an intangible feeling of impending disaster”

lacking substance or reality; incapable of being touched or seen

• “that intangible thing--the soul”