King's Kung-Fu& Tai Chi

Japanese symbol for “yuko”

Romaji: yuukou
valid; effective

In Japanese, yuko is , read (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

  1. adj-na, n valid; effective
  2. n yuko (judo) (MA)

Kanji and stroke order

possess, have, exist
on: ユウ、ウ
kun: あ.る
6 strokes · JLPT 3
merit, efficacy, efficiency
on: コウ
kun: き.く、ききめ、なら.う
8 strokes · JLPT 2

Related words

Words that share a kanji.

WordReadingMeaning
ある aruto be; to exist; to live
ゆうめい yuumeifamous; well-known
しょゆう shoyuupossession; ownership
ゆうりょう yuuryoufee-charging; paid; not free
ゆうり yuuriadvantageous; favourable; better
こうか koukaeffect; effectiveness; efficacy
こうりつ kouritsuefficiency
むこう mukouinvalid; void; ineffective

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.

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