Home/Vocab Vault/改める改める改めるあらためるto changeN2Ichidan VerbFreq. #5548Meanings1to change2to alter3to revise4to replace5to reform6to correct7to mend8to improve9to examine10to check11to inspect12to do properly13to do formallyConjugationsFormJapanesePolite (ます)あらためますて-formあらためてPast (casual)あらためたPast (polite)あらためましたNegative (casual)あらためないNegative (polite)あらためませんShow all 12 formsRelated WordsSame Kanji改めてあらためてanother time改革かいかくreform改憲かいけんconstitutional change改良かいりょうimprovementLearn MoreGrammar〜てte-form (connecting)〜ますpolite verb ending〜でしたwas (polite past)〜ができますcan do ~受身形passive (be done to)Practice 改める in JIVXReinforce this word with AI-graded sentence practice and spaced repetition.Start Practicing Free