JMdict: 1494250

不動心 【ふどうしん】

  1. [n] imperturbability; steadfastness
  2. [n] cool head in an emergency; keeping one's calm (e.g. during a fight)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
不 Negative, Non-, Bad, Ugly, Clumsy フ, ブ 4
動 Move, Motion, Change, Confusion, Shift, Shake ドウ うご.く, うご.かす 3
心 Heart, Mind, Spirit, Heart Radical (no. 61) シン こころ, -ごころ 2