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knock off - definition and synonyms

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phrasal verb informal
Word Forms
present tense
I/you/we/theyknock off
he/she/itknocks off
present participleknocking off
past tenseknocked off
past participleknocked off
  1. 1
    [transitive] knock something off something to reduce a price or an amount

    Kelly knocked two seconds off her previous time.

    They’ll knock something off the price if you collect it yourself.

  2. 2
    [intransitive/transitive] knock off something to stop working

    Do you want to knock off early tonight?

  3. 3
    [transitive] to produce something quickly and carelessly, often a copy of something else

    Forgers can knock off a fake passport in no time.

  4. 4
    [transitive] British to steal something

    They knocked some TVs off from an electrical store.

    1. a.
      British to steal money or property from a place

      They’d knocked off two banks the previous week.

  5. 5
    [transitive] to murder someone
  6. 6
    [transitive] British offensive to have sex with someone
  7. 8
    knock someone’s head/block off used for threatening to hit someone and hurt them very badly
  8. 9
    knock spots off British to be much better than someone or something
See also main entry: knock
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