Word
Kana: きれる Romaji: kireru Level: N3

切れる

Meaning in English

cut well, break, run out, lose temper

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Word context

What it means

What does 切れる mean? It means to be sharp or to cut well, and it also describes things that become disconnected or exhausted; in use, it spans physical cutting, signal interruptions, and mental acuity.

Main meanings

  • be sharp or cut well — used for blades, tools, and metaphorically for a keen mind
  • to be cut off or disconnected — for calls, signals, or power
  • to run out or expire — used with time or resources in some contexts
  • to be quick-witted or mentally sharp — common in phrases like 頭が切れる

How to use it

Used intransitively across casual and formal speech to describe physical cutting, sharpness, or the ending of a connection; common patterns include 包丁はよく切れる and 電話が切れる, with slang usage in キレる to indicate sudden anger or temper, especially in informal conversation.

Variants and close terms

  • 鋭い (surudoi) — sharp
  • 鋭利な (eiri na) — keen, razor-sharp
  • 頭が切れる (atama ga kireru) — quick-witted
  • 鈍い (nibui) — dull
  • キレる (kireru) — slang meaning to snap or lose one's temper

Composition

  • 切: a kanji meaning cut, edge, or sever; れる: an ichidan verb ending that turns the root into an intransitive state; together they form 切れる, to be capable of cutting or to be cut

Word class

verb (ichidan)

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