untellable

Adjective

• defying expression or description
  • indefinable yearnings
    
  • indescribable beauty
    
  • ineffable ecstasy
    
  • inexpressible anguish
    
  • unspeakable happiness
    
  • unutterable contempt
    
  • a thing of untellable splendor
    

Related words

• Synonyms: 
  indefinable , indescribable , ineffable , unspeakable , unutterable