鈍にぶる

also: なまる

に

ぶ

る

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

1

godan verb (-ru), intransitive verb

become blunt; grow dull

Describes a blade, tool, or edge losing sharpness. Also used figuratively for senses, feelings, or mental sharpness becoming dull.

この包ほう丁ちょうはよく使つかうのですぐに鈍にぶる。
This kitchen knife gets blunt quickly because I use it often.
年としを取とると味み覚かくが鈍にぶると言いわれ

て

いる

。

It is said that your sense of taste dulls as you age.

2

godan verb (-ru), intransitive verb

weaken; decline; falter

Used for a decline in ability, performance, or intensity. Common with nouns like 動き, 勢い, 判断力, or 感覚.

疲つかれていると判はん断だん力りょくが鈍にぶる。
When you are tired, your judgment weakens.
雨あめのせいで選せん手しゅの動うごきが鈍にぶった。
The players' movements slowed down because of the rain.

Written forms

鈍るUsage87%
- にぶる
  Standard kanji spelling for the common reading にぶる.
- なまる
  Alternate reading なまる is rare and mostly seen in older or literary contexts; にぶる is the modern standard.
にぶるUsage13%
なまる

Kanji

鈍dull, slow, foolish

Similar words

鈍にぶい
鈍い is an adjective meaning 'dull' or 'slow' as a state, while 鈍る is the verb meaning 'to become dull' or 'to weaken'.
衰おとろえる
衰える also means 'to weaken' or 'to decline', but it is broader and often used for physical strength, health, or power, while 鈍る often implies a loss of sharpness or quickness.

Etymology

Derived from the adjective 鈍い (にぶい, 'dull'). The verb form 鈍る follows a common pattern where an adjective stem combines with る to express 'becoming' that quality.