グレードアップ LinksSentence search for グレードアップSentence search for グレード・アップEdit in JMdict Noun, Suru verb, Intransitive verb, Transitive verb1. upgrade; updateWasei, word made in Japan, From English “grade up”. Wasei (word made in Japan)Other formsグレード・アップ Discussions Log in to talk about this word.