心臓|しんぞうshinzou[0]heiban (flat)

JLPT N3approx.Common
Definitions
  1. noun, anatomyheart
    私は自分じぶんの心臓しんぞうが激はげしく打うっているのがわかった。↗
    I felt my heart beating wildly.
  2. nounguts; nerve; cheek; gall; spine
  3. nounheart (of something); central part
Synonyms & antonyms
  • SynonymハートNeutralA loanword, mostly for feelings and love or the hearts suit in cards, as in 「ハートマーク」; rarely means the physical organ.
  • Synonym心しんNeutralRead しん; mostly seen in compounds for the heart or a core, as in 「心筋」 and 「心肺」; rarely used on its own.
  • Synonym心の臓しんのぞうWrittenWritten/formal prose: an old-fashioned name for the heart organ, heard today mostly in period dramas.
  • Synonym心臓部しんぞうぶNeutralThe area of the chest where the heart sits; often figurative for the most vital part of an organization or machine, as in 「工場の心臓部」.
  • Related核心かくしんNeutralThe most important central part of something, as in 「問題の核心」; covers only the figurative sense of 「心臓」.

Use 「心臓」 for the organ itself or for courage and nerve. Say 「ハート」 for feelings and love, 「心臓部」 for the most crucial part of an organization or machine, and 「核心」 for the essence of a matter.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 動物どうぶつの臓器ぞうきの一ひとつで、自律的じりつてきに拍動はくどうし、血液けつえきを全身ぜんしんに循環じゅんかんさせる機能きのうを有ゆうする循環器じゅんかんき。
  2. (興奮こうふん等とうすると、拍動はくどうが変化へんかすることから)感情かんじょうの変動へんどう。度胸どきょう。きもったま。
  3. (比喩ひゆ:しばしば、心臓しんぞう部ぶの形かたちで)ある機械きかい、設備せつび又または組織そしきで、それがなければ機能きのうしないもの。
  4. 東洋とうよう医学いがくにおける、血液けつえきの循環じゅんかん並ならびに精神せいしん活動かつどうをつかさどる臓器ぞうき。現代げんだい医学いがくの心臓しんぞうと大脳だいのうにほぼ相当そうとうする。
Kanji in this word
English equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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