無能

Adjective

 * 1) incompetent; lacking ability

Adjective

 * 1) incompetent, untalented

Noun

 * 1) incompetence
 * 2) * 1948, 海野十三, 超人間Ｘ号:
 * 3) a good-for-nothing
 * 1) a good-for-nothing