積み上げ つみあげ Meanings Noun piling up; making a heap; laying bricks Kanji 積 pile up. Read as つむ. 上 up. Read as あげる. Words containing 積み上げ 積み上げる (つみあげる) to pile up 積み上げ方式 (つみあげほうしき) gradualist approach Jinuma: Japanese Dictionary · Word lists