のぼせ上がる のぼせあがる Also written 逆上せ上がる Meanings Godan verb, Intransitive to be beside oneself; to lose one's head; to go mad with something Kanji 上 up. Read as あがる. Example sentences 彼はテニスをそれほど好きではないが、フットボールとなるとのぼせ上がってしまうのだ。He doesn't like tennis much, but he really gets carried away with football. Jinuma: Japanese Dictionary · Word lists