充 — “Allot / Fill” in Japanese

Master (高手)じゅう, あ, み

Radical ⼉ · radical 10 The building block this kanji is filed under

“Allot / Fill” in Japanese is 充, read juu, a, mi (じゅう, あ, み). 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 充電 (charging).

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What does 充 mean?

Full details, readings & example

Kanji	充
Meaning	Allot / Fill
Readings	じゅう, あ, み
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	充電 (charging)

How to read 充

充 is read juu (じゅう) or a (あ) or mi (み) depending on the word.

Words with 充

充電

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Kanji read the same way as 充

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

Updated: 2026-08-28