低能 Traditional form: 低能 Pinyin (reading): dīnéng Definitions: incapable incompetent stupid mentally deficient Characters: 低 - low; to lower, to hang; to bend, to bow 能 - can, may; capable, full of energy Traditional characters: 低 - low; to lower, to hang; to bend, to bow 能 - can, may; capable, full of energy