Japanese symbol for “effective”
有効
ゆうこう
Romaji: yuukou
valid; effective
In Japanese, effective is 有効, read ゆうこう (yuukou).
Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.
Meanings
- adj-na, n valid; effective
- n yuko (judo) (MA)
Kanji and stroke order
Other Japanese words for “effective”
| Word | Reading | Meaning |
|---|---|---|
| 効果的 | こうかてき koukateki | effective; successful |
| エフェクティブ | エフェクティブ efekutibu | effective |
Related words
Words that share a kanji.
| Word | Reading | Meaning |
|---|---|---|
| 有る | ある aru | to be; to exist; to live |
| 有名 | ゆうめい yuumei | famous; well-known |
| 所有 | しょゆう shoyuu | possession; ownership |
| 有料 | ゆうりょう yuuryou | fee-charging; paid; not free |
| 有利 | ゆうり yuuri | advantageous; favourable; better |
| 効果 | こうか kouka | effect; effectiveness; efficacy |
| 効率 | こうりつ kouritsu | efficiency |
| 無効 | むこう mukou | invalid; void; ineffective |
See also: Chinese symbol for “effective”.
Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.