unreal

Adjective

• lacking material form or substance; unreal
  • as insubstantial as a dream
    
  • an insubstantial mirage on the horizon
    

• contrived by art rather than nature
  • artificial flowers
    
  • artificial flavoring
    
  • an artificial diamond
    
  • artificial fibers
    
  • artificial sweeteners
    

• not actually such; being or seeming fanciful or imaginary
  • this conversation is getting more and more unreal
    
  • the fantastically unreal world of government bureaucracy
    
  • the unreal world of advertising art
    

• lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
  • ghosts and other unreal entities
    
  • unreal propaganda serving as news
    

Related words

• Synonyms: 
  insubstantial , unsubstantial , artificial
• Antonyms: 
  substantial , real , material , natural , real(a) , existent