noun, na-adjective, noun which may take the genitive case particle 'no'
incompetence; inability; inefficiency
Describes a lack of ability, skill, or effectiveness. Can be used as a noun or adjectivally (な-adjective or の-adjective). Often used in formal or critical contexts.
Antonyms: 有能
彼の無能さには驚かされる。
I am amazed at his incompetence.
The plan failed because of the incompetent leader.
Refers to a person who lacks ability or is ineffective. Often used critically.
That guy is really incompetent.
The employees really think that boss is incompetent.
I don't want to leave the country's future in the hands of an incompetent politician.
It's harsh to treat someone as incompetent just for a small mistake.
He ended up exposing his own incompetence at the important meeting.
無能 describes a lack of ability or incompetence, the direct opposite of having 能力.
無能 describes someone incompetent or lacking ability, the opposite of an オールマイティ person who excels at everything.
能 refers to ability or usefulness, while 無能 describes someone or something as lacking ability, i.e. incompetent.
ineptitude and inaction; incapable of devising appropriate measures
talentless and incompetent; unaccomplished