不ふ熱ねっ心しんConjugationsTop 20000MeaningsNa-adjectiveNoun1. indifference; lack of enthusiasm; inattentivenessKanji used不negative熱heat心heartPitch accentふねっしんComposed of不ふun-; non-Prefix熱ねっ心しんzealous; enthusiastic; ardent; fervent; keen; eagerNa-adjective