Word太ふとるhutoruMeaningto gain weight; to become fatPart of speechgodan - group 1, intransitive, verbPronunciationCourseJapaneseLessonVocabulary expansion 47Breakdown & UsagesConjugationsBreakdown of hutorufat太Usages of hutoruたくさん 食たべる と 太ふとります よ。takusan taberu to hutorimasu yo.If you eat a lot, you'll gain weight (I inform you).運うん動どうしない と 太ふとります。undousinai to hutorimasu.If you don't exercise, you'll become fat.