intangible

Adjective

• lacking substance or reality; incapable of being touched or seen
  • that intangible thing--the soul
    

• hard to pin down or identify
  • an intangible feeling of impending disaster
    

• incapable of being perceived by the senses especially the sense of touch
  • the intangible constituent of energy- James Jeans
    

• (of especially business assets) not having physical substance or intrinsic productive value
  • intangible assets such as good will
    

Noun

• assets that are saleable though not material or physical

Related words

• Synonyms: 
  nonphysical , impalpable , intangible asset
• Antonyms: 
  tangible , touchable