Home/Vocab Vault/増す増す増すますto increaseN3Godan VerbFreq. #23548Meanings1to increase2to growConjugationsFormJapanesePolite (ます)ましますて-formましてPast (casual)ましたPast (polite)ましましたNegative (casual)まさないNegative (polite)ましませんShow all 12 formsRelated WordsSame Kanji増えるふえるto increase増やすふやすto increase激増げきぞうsharp increase急増きゅうぞうrapid increase増しましbetterLearn 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 増す in JIVXReinforce this word with AI-graded sentence practice and spaced repetition.Start Practicing Free