King's Kung-Fu& Tai Chi

Japanese symbol for “ruthless”

Romaji: zankoku
cruel; brutal; ruthless; merciless

In Japanese, ruthless is , read (zankoku).

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 cruel; brutal; ruthless; merciless; inhuman

Written forms: . Readings: .

Kanji and stroke order

remainder, leftover, balance
on: ザン、サン
kun: のこ.る、のこ.す、そこな.う、のこ.り
10 strokes · JLPT 2
cruel, severe, atrocious
on: コク
kun: ひど.い
14 strokes · JLPT 1

Other Japanese words for “ruthless”

WordReadingMeaning
れいこく reikokucruelty; coldheartedness; relentless
むざん muzancruel; merciless; atrocious
ざんにん zanninbrutal; cruel; merciless
むじひ mujihimerciless; ruthless; pitiless
あこぎ akogigreedy; ruthless; cruel

Related words

Words that share a kanji.

WordReadingMeaning
ざんねん zannenregrettable; unfortunate; disappointing
のこり nokoriremainder; remnant; the rest
のこす nokosuto leave (behind)
ざんぎょう zangyouovertime (work)
のこる nokoruto remain; to be left
かこく kakokusevere; harsh; hard
れいこく reikokucruelty; coldheartedness; relentless
ひどい hidoicruel; heartless; hard

See also: Chinese symbol for “ruthless”.

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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