Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “forget”

See all translations

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 Jenny'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).not forgetting UK including: This is where we keep all the books, not forgetting the magazines and newspapers.
More examples

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.
More examples

forget verb (NOT BRING)

A2 [T] to not bring something with you because you did not remember it: I forgot my keys.
More examples

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 off so we just forgot (about) it.

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.
(Definition of forget from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of forget?
Add Cambridge dictionaries to your browser to your website

Definitions of “forget” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More