Kanji 知

音読おんよみ: チ

訓読くんよみ: しる・しらせる

画数かくすう: 8

部首ぶしゅ: やへん（矢）

Meaning

Know / Be Aware / Inform

Conjugation
Tap for 知る (know) Tap for 知らせる (inform)
  • 知人ちじん — acquaintance
  • 知識ちしき — knowledge
  • 知恵ちえ — wisdom
  • 通知つうち — notification
  • 承知しょうち — acknowledgment; consent
  • 知事ちじ — governor
Compound Verbs - tap to expand
  • 知しり合あう — get to know each other; be acquainted
  • 知しらせ合あう — inform each other; share information
  • 知しり尽つくす — know thoroughly; know inside out
  • 知しり得える — be able to know; obtain knowledge
  • 思おもい知しる — realize fully; learn the hard way
  • 計はかり知しる — measure or estimate; fathom

知 combines 矢 (arrow) and 口 (mouth), suggesting accurate information delivered straight to the point. From that idea, it developed meanings like “to know,” “to become aware,” and “to inform.” A key usage point is that 知っている expresses a state (“I know”).

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