Definition of forget verb from the Oxford Advanced Learner's Dictionary



    BrE BrE//fəˈɡet//
    ; NAmE NAmE//fərˈɡet//
    Verb Forms present simple I / you / we / they forget
    BrE BrE//fəˈɡet//
    ; NAmE NAmE//fərˈɡet//
    he / she / it forgets
    BrE BrE//fəˈɡets//
    ; NAmE NAmE//fərˈɡets//
    past simple forgot
    BrE BrE//fəˈɡɒt//
    ; NAmE NAmE//fərˈɡɑːt//
    past participle forgotten
    BrE BrE//fəˈɡɒtn//
    ; NAmE NAmE//fərˈɡɑːtn//
    -ing form forgetting
    BrE BrE//fəˈɡetɪŋ//
    ; NAmE NAmE//fərˈɡetɪŋ//
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  1. 1  [intransitive, transitive] (not usually used in the progressive tenses) to be unable to remember something that has happened in the past or information that you knew in the past forget (about something) I'd completely forgotten about the money he owed me. Before I forget, there was a call from Italy for you. forget something I never forget a face. Who could forget his speech at last year's party? forget (that)… She keeps forgetting (that) I’m not a child any more. I was forgetting(= I had forgotten) (that) you’ve been here before. forget where, how, etc… I've forgotten where they live exactly. I forget how much they paid for it. forget (somebody) doing something I'll never forget hearing this piece of music for the first time. it is forgotten that… It should not be forgotten that people used to get much more exercise.
  2. to do something
  3. 2  [intransitive, transitive] to not remember to do something that you ought to do, or to bring or buy something that you ought to bring or buy forget (about something) ‘Why weren't you at the meeting?’ ‘Sorry—I forgot.’ forget to do something Take care, and don't forget to write. I forgot to ask him for his address. forget something/somebody I forgot my purse (= I did not remember to bring it). ‘Hey, don't forget me!’ (= don't leave without me) Aren't you forgetting something? (= I think you have forgotten to do something) You cannot use forget if you want to mention the place where you have left somethingI've left my book at home.I’ve forgotten my book at home.
  4. stop thinking about something
  5. 3  [intransitive, transitive] to deliberately stop thinking about somebody/something forget (about somebody/something) Try to forget about what happened. Could you possibly forget about work for five minutes? forget somebody/something Forget him! Let's forget our differences and be friends. forget (that)… Forget (that) I said anything!
  6. 4[intransitive, transitive] to stop thinking that something is a possibility forget about something If I lose this job, we can forget about buying a new car. forget something ‘I was hoping you might be able to lend me the money.’ ‘You can forget that!’
  7. yourself
  8. 5[transitive] forget yourself to behave in a way that is not socially acceptable I'm forgetting myself. I haven't offered you a drink yet!
  9. Word OriginOld English forgietan, of West Germanic origin; related to Dutch vergeten and German vergessen, and ultimately to for- and get.Extra examples He conveniently forgot to tell me he was married. Her joy was so infectious that he momentarily forgot his own fears for the future. His pioneering work in the field was largely forgotten until the late 1940s. I clean forgot to give your brother the message. I completely forgot you were coming today. I’ll never forget the expression on his face. In the excitement I forgot all about my little brother. It is easy to forget that not all countries have these advantages. It was all a long time ago and now Ellen found she could forgive and forget. Let’s forget last night, shall we? Oh yes! I almost forgot about the party. She keeps forgetting where she’s put her glasses. The experience of nearly getting killed is not easily forgotten. You seem to forget that it was your idea in the first place. ‘Why weren’t you at the meeting?’ ‘Sorry - I forgot.’ Aren’t you forgetting something?. Forget I said anything! Hey, don’t forget me. I forgot my purse. Let’s forget our differences and be friends. Take care, and don’t forget to write.Idioms
    and don’t (you) forget it
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    (informal) used to tell somebody how they should behave, especially when they have been behaving in a way you do not like You're a suspect, not a detective, and don't you forget it.
    1. 1used to tell somebody that something is not important and that they should not worry about it ‘I still owe you for lunch yesterday.’ ‘Forget it.’
    2. 2used to tell somebody that you are not going to repeat what you said ‘Now, what were you saying about John?’ ‘Forget it, it doesn't matter.’
    3. 3used to emphasize that you are saying ‘no’ to something ‘Any chance of you helping out here?’ ‘Forget it, I've got too much to do.’
    4. 4used to tell somebody to stop talking about something because they are annoying you Just forget it, will you!
    to stop feeling angry with somebody for something they have done to you and to behave as if it had not happened I know what he did was wrong but don’t you think it’s time to forgive and forget? More Like This Alliteration in idioms belt and braces, black and blue, born and bred, chalk and cheese, chop and change, done and dusted, down and dirty, in dribs and drabs, eat somebody out of house and home, facts and figures, fast and furious, first and foremost, forgive and forget, hale and hearty, hem and haw, kith and kin, mix and match, part and parcel, puff and pant, to rack and ruin, rant and rave, risk life and limb, short and sweet, signed and sealed, spic and span, through thick and thin, this and that, top and tail, tried and tested, wax and waneSee worksheet. (British English) used to include something in the list of things that you have just mentioned I share the house with Jim, Ian and Sam, not forgetting Spike, the dog.
See the Oxford Advanced American Dictionary entry: forget

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