不ふ動どう心しんMeaningsNoun1. imperturbability; steadfastness2. cool head in an emergency; keeping one's calm (e.g. during a fight)Kanji used不negative動move心heartPitch accentふどうしんComposed of不ふ動どうimmovable; motionless; firm; unwavering; unshakable; steadfast; Acala (Wisdom King); Fudō; fierce Buddhist deityNo-adjective心しんheart; mind; spirit; vitality; inner strength; bottom of one's heart; core (of one's character); nature; centre; center; …Noun