ねつあ 熱を上げる Show inflections LinksSentence search for 熱を上げるSentence search for ねつをあげるKanji details for 熱 and 上Edit in JMdict Expressions (phrases, clauses, etc.), Ichidan verb1. to become enthusiastic; to have a crush (on); to lose one's head (to); to become earnestIdiomatic expression Discussions Log in to talk about this word.