むねあつ 胸が熱くなる Show inflections LinksSentence search for 胸が熱くなるSentence search for むねがあつくなるKanji details for 胸 and 熱Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to become fraught with emotion Discussions Log in to talk about this word.