There are 2 definitions of knock off in English:

knock off1

informal Stop work.
More example sentences
  • The typical Australian working day starts in the sunshine at 8am, and shortly after everyone knocks off at 4pm, the parks will be full of men chucking a ball about until the sun goes down.
  • They worked on the project three or four afternoons a week, knocking off around five to drink beer and talk.
  • Why can't they have patrols instead of knocking off from work early in the day.
Synonyms
stop work, finish work, finish working, clock off, close shop, shut down, leave work, finish the working day; take a break, break, break off, rest, pause, stop, halt, finish
informal call it a day, have a breather, take five
See parent entry: knock

Definition of knock off in:

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Word of the day vituperate
Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...

There are 2 definitions of knock off in English:

knock-off2

Line breaks: knock-off

noun

informal
A copy or imitation, especially of an expensive product: [as modifier]: knock-off merchandise
More example sentences
  • It is an expensive knock-off, but a knock-off all the same.
  • Chinatown has always had illegal vendors who sell knock-offs and kitsch, but in the past year the industry has grown and the vendors are offering more sophisticated counterfeit goods that are in high demand.
  • Once you have identified a work which violates your copyright, what can you do in order to stop the auctions early on and prevent these knock-offs from entering the stream of commerce?

Definition of knock off in: