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knock off - definition and synonyms

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phrasal verb informal
Word Forms
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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
    Synonyms and related words
  6. 6
    [transitive] British offensive to have sex with someone
    Synonyms and related words
See also main entry: knock

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