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knock up (1) British English Informal

Meaning: to make something quickly and without too much effort

Synonym: knock together, throw together

For example:

  • knock up sth It shouldn't take long to knock up a rough model of the building.

  • knock sth up Do you want me to knock something up for dinner?

Variety: This is typically used in British English but may be used in other varieties of English too.

Quick Quiz:

Benny's out the back knocking up
  1. his new Harley Davidson motorbike
  2. a kennel for the dog
  3. a couple of trees

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