1.
incompetent, incapable, useless
Lacking ability, talent, or competence. A harsh word used to describe someone who cannot perform their duties or role effectively. Carries strong negative connotation.
無能な上司に困っている。
I'm troubled by an incompetent boss.
自分の無能さを痛感した。
I keenly felt my own incompetence.
無能な指導者のせいで国が混乱に陥った。
The country fell into chaos because of an incompetent leader.
GRAMMAR:
Functions as a な-adjective: 無能な人 (an incompetent person). Also used as a noun: 無能さ (incompetence), 無能を嘆く (to lament one's incompetence).
USAGE:
A strong, directly critical word. Using it about someone else is quite harsh, though it appears frequently in fiction and political criticism. When used about oneself, it expresses deep self-reproach. Combines 無 (without) and 能 (ability).
COMMON COLLOCATIONS:
- 無能な上司: incompetent boss
- 無能な政治家: incompetent politician
- 無能さ: incompetence
- 無能呼ばわり: being called incompetent