intangible intangible /ˌɪnˈtændʒəbəl/

adjective

1. Lacking substance or reality; incapable of being touched or seen  ( intangible , nonphysical )
   lacking substance or reality; incapable of being touched or seen
    That intangible thing--the soul
   that intangible thing--the soul
   
2. Hard to pin down or identify  ( intangible )
   hard to pin down or identify
    An intangible feeling of impending disaster
   an intangible feeling of impending disaster
   
3. Incapable of being perceived by the senses especially the sense of touch  ( impalpable , intangible )
   incapable of being perceived by the senses especially the sense of touch
    The intangible constituent of energy
   the intangible constituent of energy
   
4. (of especially business assets) not having physical substance or intrinsic productive value  ( intangible )
   (of especially business assets) not having physical substance or intrinsic productive value
    Intangible assets such as good will
   intangible assets such as good will
   

noun

1. () Assets that are saleable though not material or physical  ( intangible asset , intangible )
   assets that are saleable though not material or physical