更 — Grow Late / Night Watch / Sit Up Late / Of Course

Master (高手)こう, さら, ふ

Radical ⽈ · radical 73 The building block this kanji is filed under

更 (readings: こう, さら, ふ; Japanese kanji) means “Grow Late / Night Watch / Sit Up Late / Of Course”. It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 更新 (renewal, update).

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What does 更 mean?

Full details, readings & example

Kanji	更
Meaning	Grow Late / Night Watch / Sit Up Late / Of Course
Readings	こう, さら, ふ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	更新 (renewal, update)

How to read 更

更 is read こう or さら or ふ depending on the word.

Words with 更

更新cập nhật, đổi mới
更迭cách chức, thay người

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Updated: 2026-07-22