Incompetence is the inability to perform a task or fulfill responsibilities adequately. Synonyms for the words "be incompetent" include unskilled, inept, inadequate, unfit, bungling, clumsy, incapable, insufficient, and amateur. Unskillful refers to an individual's lack of requisite expertise in carrying out a task. Inadequate connotes a shortfall in meeting minimum requirements or expectations for a given task. Incapable involves an individual's inability to carry out a task with proficiency. Insufficient pertains to an individual's inability to accomplish a task to the required extent. Bungling refers to an individual's clumsy handling of a particular task. Finally, amateur refers to someone who lacks professional experience or expertise.