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forget - definition and synonyms


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verb [intransitive/transitive] forget pronunciation in American English /fərˈɡet/
Word Forms
present tense
present participleforgetting
past tenseforgot
past participleforgotten
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  1. 1
    to be unable to remember a fact or piece of information

    I’ve forgotten her phone number.

    forget about:

    Did you forget about our agreement?

    forget how/why/where/when etc.:

    She always forgets where her car is parked.

    We first met at college, I forget when exactly.

    forget (that):

    I’d forgotten that you’d already given me the money.

    never forget something:

    I’ll never forget the look of disappointment on her face.

  2. 2
    to not remember to do something that you intended to do

    Phil should be here by now. Do you think he’s forgotten?

    forget about:

    She had forgotten all about mailing the letter.

    forget to do something:

    Don’t forget to lock the door when you leave.

    I nearly forgot to invite Josie.

    I keep forgetting to take my tablets.

    forget (that):

    I completely forgot that I promised to come see you!

  3. 3
    to not take something with you when you should have
    forget about:

    I remembered everything else but I forgot about the beach towels.

  4. 4
    to stop thinking, worrying, or caring about something or someone

    She was looking forward to the party so she could forget her worries for a few hours.

    forget about:

    Try to forget about him.

    forget that:

    People tend to forget that the rights we enjoy now were won through a great struggle.

  5. 5
    to stop planning to do something because you realize that it will not be possible

    I think we can forget the idea of a vacation this year.

    forget about:

    We may have to forget about getting a new car.


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in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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