窒 — “Plug Up / Obstruct” in Japanese

Master (高手)ちつ

Radical ⽳ · radical 116 The building block this kanji is filed under

“Plug Up / Obstruct” in Japanese is 窒, read chitsu (ちつ). 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 窒息 (suffocation).

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What does 窒 mean?

Full details, readings & example

Kanji	窒
Meaning	Plug Up / Obstruct
Readings	ちつ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	窒息 (suffocation)

How to read 窒

窒 is read chitsu (ちつ) depending on the word.

Words with 窒

窒息

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Updated: 2026-08-28