湧 — “Boil / Ferment / Seethe / Uproar” in Japanese

Master (高手)ゆう, よう, ゆ, わ

Radical ⽔ · radical 85 The building block this kanji is filed under

“Boil / Ferment / Seethe / Uproar” in Japanese is 湧, read yuu, you, yu (ゆう, よう, ゆ, わ). 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 湧水 (spring water).

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What does 湧 mean?

Full details, readings & example

Kanji	湧
Meaning	Boil / Ferment / Seethe / Uproar
Readings	ゆう, よう, ゆ, わ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	湧水 (spring water)

How to read 湧

湧 is read yuu (ゆう) or you (よう) or yu (ゆ) or wa (わ) depending on the word.

Words with 湧

湧水

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Kanji read the same way as 湧

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

Updated: 2026-08-28