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go off - definition and synonyms


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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


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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