The definition of incompetent is someone or something not qualified, inadequate or insufficient for a given purpose.(adjective)
An example of incompetent is a person getting behind the wheel of a manual transmission car, who doesn't know how to drive with a stick shift.
See incompetent in Webster's New World College Dictionary
Origin: Fr incompétent < LL incompetens: see in- & competent
See incompetent in American Heritage Dictionary 4
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