King's Kung-Fu& Tai Chi

Japanese symbol for “heartless”

Romaji: hidoi
cruel; heartless; hard; harsh

In Japanese, heartless is , read (hidoi).

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-i cruel; heartless; hard; harsh; severe
  2. adj-i violent; intense; strong; heavy; extreme
  3. adj-i very bad; terrible; awful
  4. adj-i excessive; exorbitant; unreasonable; outrageous; unfair; unjust

Written forms: . Readings: .

Kanji and stroke order

cruel, severe, atrocious
on: コク
kun: ひど.い
14 strokes · JLPT 1

Other Japanese words for “heartless”

WordReadingMeaning
れいたん reitancold; cold-hearted; heartless
はくじょう hakujouunfeeling; heartless; cold-hearted
ひにんじょう hininjouheartless; inhuman; unfeeling
いんごう ingouheartless; cruel; causes and actions
れいげん reigengrim; stern; stark

Related words

Words that share a kanji.

WordReadingMeaning
ざんこく zankokucruel; brutal; ruthless
かこく kakokusevere; harsh; hard
れいこく reikokucruelty; coldheartedness; relentless
こくしょ kokushointense heat; severe heat
こくひょう kokuhyousevere criticism; sharp criticism; scathing criticism

See also: Chinese symbol for “heartless”.

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.