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go off - definition and synonyms


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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb
Word Forms
present tense
I/you/we/theygo off
he/she/itgoes off
present participlegoing off
past tensewent off
past participlegone off
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  1. 1
    [intransitive] to explode, or to be fired

    The gun went off while he was cleaning it.

  2. 2
    [intransitive] to start making a noise as a signal or warning

    I was just lying in bed waiting for the alarm to go off.

  3. 3
    [intransitive] if something such as a light or an electricity supply goes off, it stops working or being available

    All the lights in the building suddenly went off.

  4. 4
    [intransitive] to leave a place, especially for a particular purpose
    go off to:

    Dave’s gone off to the mountains for the summer.

    go off to do something:

    He went off to have lunch in the cafeteria at one o’clock.

  5. 5
    [intransitive] to happen in a particular way

    The whole conference went off just as we had planned.

  6. 6
    [intransitive] American informal to suddenly become angry and start shouting
    go off on:

    He just went off on her for no apparent reason.

  7. 7
    [intransitive] British if food or drink goes off, it is no longer fresh
  8. 8
    [intransitive] British informal to become worse in quality

    His work has really gone off recently.

  9. 9
    [transitive]go off someone/something British to stop liking someone or something

    I went off the idea of buying a sports car after I found out how much it would cost.

  10. 10
    [intransitive] British spoken to start to sleep
    go off to sleep:

    The baby’s just gone off to sleep.

See also main entry: go

sea lion

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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