incompetent

Adjective

• not meeting requirements
  • unequal to the demands put upon him
    

• not doing a good job
  • incompetent at chess
    

• showing lack of skill or aptitude
  • a bungling workman
    
  • did a clumsy job
    
  • his fumbling attempt to put up a shelf
    

• not qualified or suited for a purpose
  • an incompetent secret service
    
  • the filming was hopeless incompetent
    

• legally not qualified or sufficient
  • a wife is usually considered unqualified to testify against her husband
    
  • incompetent witnesses
    

Noun

• someone who is not competent to take effective action

Related words

• Synonyms: 
  incapable , unequal to(p) , unskilled , bungling , clumsy , fumbling , unqualified , incompetent person