Word興奮こうふんするkoufunsuruMeaningto get excitedPart of speechverbPronunciationCourseHardcore JapaneseLessonHosting a board-game night with friendsUsages of koufunsuru子供こども は 試合しあい で 興奮こうふんした。kodomo wa shiai de koufunshita.The child got excited during the match.