knock down

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knock down (third-person singular simple present knocks down, present participle knocking down, simple past and past participle knocked down)

1. (transitive) To hit or knock (something), intentionally or accidentally, so that it falls.

   As I took the can off the shelf, I knocked down the one beside it.

2. (transitive) To demolish.

   We knocked down the garden shed when we moved.

3. (transitive) At an auction, to declare (something) sold with a blow from the gavel.

   The picture was knocked down for £50.

4. (transitive, informal) To reduce the price of.

   They knocked it down by another £5, so we bought it.

5. To drink fast.

   I love to go down the pub and knock down pints of lager.

6. (transitive, usually passive) To disassemble for shipment.

   The furniture is shipped knocked down, so assembly is required.

• (hit or knock (something) so that it falls): knock over
• (demolish): demolish, destroy
• (declare something sold at an auction with a blow from the gavel): sell
• (reduce the price of): reduce