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English definition of “forget”

forget

verb uk   /fəˈɡet/ us    /fɚ-/ (present participle forgetting, past tense forgot, past participle forgotten)

forget verb (NOT REMEMBER)

B1 [I or T] to be unable to remember a fact, something that happened, or how to do something: I'm sorry, I've forgotten your name. Let me write down that date before I forget it. I completely forgot about Gemma's party. [+ (that)] We had forgotten (that) she doesn't come on Thursdays. I'm sorry, I was forgetting (= I had forgotten) (that) you would be away in August. [+ -ing verb] She would never forget seeing the Himalayas for the first time. [+ question word] I've forgotten what you do next/how to do it. I never forget a face (= I'm good at remembering people).Forgetting and forgetfulness not forgetting including: This is where we keep all the books, not forgetting the magazines and newspapers.Including and containingComprising and consisting of

forget verb (NOT DO)

A1 [I + to infinitive, T] to not remember to do something: Don't forget to lock the door. Dad's always forgetting (to take) his pills.Forgetting and forgetfulness

forget verb (NOT BRING)

A2 [T] to not bring something with you because you did not remember it: I've forgotten my keys.Forgetting and forgetfulness

forget verb (STOP THINKING)

B1 [I or T] to stop thinking about someone or something: He tried to forget her. It seemed unlikely that the debt would ever be paid so we just forgot (about) it.Forgetting and forgetfulness

forget verb (BEHAVE BADLY)

forget yourself to act in a socially unacceptable way because you have lost control of your emotions: He was so angry he forgot himself and swore loudly.Humiliating and degrading
(Definition of forget from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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