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1. Someone who is not competent to take effective action
   - incompetent person

1. Legally not qualified or sufficient
   "incompetent witnesses"
   - unqualified
    
2. Not qualified or suited for a purpose
   "an incompetent secret service"; "the filming was hopeless incompetent"
    
3. Showing lack of skill or aptitude
   - bungling, clumsy, fumbling
    
4. Not doing a good job
   "incompetent at chess"
   - unskilled
    
5. Not meeting requirements
   - incapable, unequal to

Derived forms: incompetents

See also: bad, feckless, inadequate, incompetency, incompetently, ineffective, inefficient, inept, unequal, unqualified, unskilled, unworkmanlike

Type of: unskilled person

Antonym: competent

Encyclopedia: Incompetent