unmanageable

Adjective

• incapable of being controlled or managed
  • uncontrollable children
    
  • an uncorrectable habit
    

• difficult to solve or alleviate
  • uncontrollable pain
    

• hard to control
  • a difficult child, an unmanageable situation
    

• difficult to use or handle or manage because of size or weight or shape
  • we set about towing the unwieldy structure into the shelter
    
  • almost dropped the unwieldy parcel
    

Related words

• Synonyms: 
  uncontrollable , uncorrectable , difficult , unwieldy
• Antonyms: 
  manageable , wieldy