鈍る (Niburu) is a Japanese godan verb meaning “to become blunt, to grow dull, to become less capable, to weaken”.
Meanings
- godan verb, intransitive verbto become blunt; to grow dull
- godan verb, intransitive verbto become less capable; to weaken; to falter
Examples
筋肉がなまった。
My muscles have become soft.
嗅覚が鈍っています。
I can't smell well. I have lost my sense of smell.
俺って腕が鈍ったかな？
Am I slipping?
Sentences from Tatoeba (CC BY 2.0 FR).