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固
固 (readings: こ, かた; Japanese kanji) means “hard / solid”. It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 固める (to harden / solidify).
What does 固 mean?
| Kanji | 固 |
|---|---|
| Meaning | hard / solid |
| Readings | こ, かた |
| Grade | Grade 4 (Upper) |
| Curriculum | Kyōiku kanji · Japanese elementary school |
How to read 固
固 is read こ or かた depending on the word.
Example words with 固
| Example | 固める (to harden / solidify) |
|---|
Practice writing 固 — free
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Updated: 2026-07-14