• 忘却ぼうきゃく

  lapse of memory, forgetting completely, (consigning to) oblivion

• 忘年会ぼうねんかい

  year-end party, "forget-the-year" party, bōnenkai

• 忘れ物わすれもの

  lost article, thing left behind

• 忘れるわすれる

  to forget, to leave carelessly, to be forgetful of, to forget about, to forget (an article)

• 忘失ぼうしつ

  forgetting, losing

• 忘我ぼうが

  trance, ecstasy, enthusiasm

• 忘恩ぼうおん

  ingratitude, thanklessness

• 忘年ぼうねん

  forgetting the hardships of the old year

• 健忘けんぼう

  forgetfulness

• 備忘びぼう

  reminder

• 忘れ霜わすれじも

  late frost, frost in late spring

• 忘れ鼻わすればな

  unobtrusive nose, unpeculiar nose

• 忘れ扇わすれおうぎ

  discarded fan (in autumn), forgotten fan

• 忘れ草わすれぐさ

  orange daylily (Hemerocallis fulva), tawny daylily

• 忘れ花わすればな

  late bloomer, flower blooming after its usual season (esp. in winter)

• 忘れ緒わすれお

  decorative gauze strap that hangs from the front left side of the kohimo when tying closed one's hanpi

• 面忘れおもわすれ

  failure to recognize someone, failure to recognise someone

• 備忘録びぼうろく

  notebook, memorandum, commonplace book

• 都忘れみやこわすれ

  Miyamayomena savatieri (species of flowering plant)

• 年忘れとしわすれ

  forgetting the hardships of the old year

• ど忘れどわすれ

  lapse of memory, (something) slipping one's mind, forgetting for a moment something one knows well

• 物忘れものわすれ

  forgetfulness

• 健忘症けんぼうしょう

  amnesia, loss of memory

• 忘れ得ぬわすれえぬ

  unforgettable

• 忘るな草わするなぐさ

  forget-me-not

• 忘れん坊わすれんぼう

  forgetful person

• 忘恩行為ぼうおんこうい

  act of ingratitude

• 忘れがちわすれがち

  forgetful, oblivious of, negligent

• 忘れ去るわすれさる

  to forget completely, to leave behind

• 忘己利他もうこりた

  selflessness, selfless devotion to the service of others

• 忘れな草わすれなぐさ

  forget-me-not (esp. the water forget-me-not, Myosotis scorpioides)

• 忘新年会ぼうしんねんかい

  year-end parties (held in December) and New Year parties (held in January)

• 忘れ形見わすれがたみ

  memento (from a dead person), souvenir, keepsake

• 備忘価額びぼうかがく

  residual value, scrap value, memorandum price, memorandum value

• 勿忘草色わすれなぐさいろ

  forget-me-not blue

• 寝忘れるねわすれる

  to oversleep

• 流し忘れながしわすれ

  forgetting to flush (the toilet)

• 見忘れるみわすれる

  to forget, to fail to recognize, to fail to recognise

• 忘れっぽいわすれっぽい

  forgetful

• 忘れかけるわすれかける

  to start forgetting

• 忘れがたいわすれがたい

  unforgettable, memorable

• 忘れられるわすれられる

  to slip into obscurity, to be forgotten

• 忘却の彼方ぼうきゃくのかなた

  dustbin of history, ash heap of history, obscurity, long-forgotten memory

• 入れ忘れるいれわすれる

  to forget to put in, to leave out

• 置き忘れるおきわすれる

  to leave behind, to misplace, to forget

• 聞き忘れるききわすれる

  to forget to ask

• 恩を忘れるおんをわすれる

  to be ungrateful

• 言い忘れるいいわすれる

  to forget to say, to forget to mention

• 我を忘れるわれをわすれる

  to forget oneself, to lose control of oneself

• 幼児期健忘ようじきけんぼう

  childhood amnesia, infantile amnesia