clunky

Adjective

• making a clunking sound

• lacking grace in movement or posture
  • a gawky lad with long ungainly legs
    
  • clumsy fingers
    
  • what an ungainly creature a giraffe is
    
  • heaved his unwieldy figure out of his chair
    

Related words

• Synonyms: 
  gawky , clumsy , ungainly , unwieldy