competency Antonyms

ham-fistedness insufficiency insubstantiality inexpertness ineptness ineptitude inefficiency inefficaciousness ineffectualness ineffectuality pedestrianism rustiness unskilledness cack-handedness defectiveness amateurishness maladroitness hopelessness powerlessness unproficiency sacrum indexterity inconsequence imbecility illiteracy ignorance foolishness feebleness failure disqualification disability deficiency impotence inability incompetency incompetence incapacity incapacitation incapableness incapability inaptitude inapplicability inadequacy clumsiness