indefinable

Adjective

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

• not capable of being precisely or readily described; not easily put into words
  • an indefinable feeling of terror
    
  • an abstract concept that seems indefinable
    

Related words

• Synonyms: 
  indescribable , ineffable , unspeakable , untellable , unutterable , undefinable