徹 — Penetrate / Clear / Pierce / Strike Home

Master (高手)てつ

Radical ⼻ · radical 60 The building block this kanji is filed under

徹 (readings: てつ; Japanese kanji) means “Penetrate / Clear / Pierce / Strike Home”. 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 徹底 (thoroughness).

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What does 徹 mean?

Full details, readings & example

Kanji	徹
Meaning	Penetrate / Clear / Pierce / Strike Home
Readings	てつ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	徹底 (thoroughness)

How to read 徹

徹 is read てつ depending on the word.

Words with 徹

徹底triệt để

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Updated: 2026-07-22