楷 — “Square Character Style / Correctness” in Japanese

Master (高手)かい

Radical ⽊ · radical 75 The building block this kanji is filed under

“Square Character Style / Correctness” in Japanese is 楷, read kai (かい). 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 楷書 (block-style script).

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What does 楷 mean?

Full details, readings & example

Kanji	楷
Meaning	Square Character Style / Correctness
Readings	かい
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	楷書 (block-style script)

How to read 楷

楷 is read kai (かい) depending on the word.

Words with 楷

楷書

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Kanji read the same way as 楷

Same sound, different character — the classic trap. Compare them side by side:

Updated: 2026-08-28