ＨＩＩＴ LinksSentence search for ＨＩＩＴSentence search for ヒートSentence search for ヒットEdit in JMdict Noun1. HIIT (exercise regimen); high-intensity interval trainingOther formsＨＩＩＴ 【ヒット】 Discussions Log in to talk about this word.