忘わすれるわすれるCommon wordJLPTN5Freq.FrequencyTop 500ConjugationMeanings1ichidan verb, transitive verbforget; leave behindCovers forgetting facts, events, and accidentally leaving items behind. The object is marked with を.彼かれの名な前まえを忘わすれてしまった。I've forgotten his name.電でん車しゃに傘かさを忘わすれた。I left my umbrella on the train.