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Synonyms

knock down

British  

verb

  1. to strike to the ground with a blow, as in boxing

  2. (in auctions) to declare (an article) sold, as by striking a blow with a gavel

  3. to demolish

  4. to dismantle, for ease of transport

  5. informal to reduce (a price, etc)

  6. slang to spend (a cheque)

  7. slang to drink

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. overwhelming; powerful

    a knockdown blow

  2. cheap

    I got the table at a knockdown price

  3. easily dismantled

    knockdown furniture

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. slang an introduction

    will you give me a knockdown to her?

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
knock down Idioms  
  1. Take apart for storage or shipping, as in We need to knock down this chest to ship it safely overseas . [Mid-1900s]

  2. Declare sold at an auction, as by striking a blow with a gavel. For example, That was the last bid, and the first edition was knocked down for only three hundred . [Mid-1700s]

  3. Reduce the price of, as in They knocked it down by another hundred dollars , or An overabundant harvest will knock down corn prices . [ Colloquial ; mid-1800].

  4. Earn as wages, as in She knocks down a hundred grand a year . [ Slang ; 1920s]

  5. Steal, embezzle, as in He was caught knocking down the box-office receipts . This usage may be obsolescent. [ Slang ; mid-1800s] Also see knock over , def. 2.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This year, the state budget places $6.4 billion in higher than expected revenue into a temporary holding account to knock down a deficit and balance the budget through 2027-28.

From Los Angeles Times Jun. 30, 2026

The federal income-tax code can also offer a silver lining for people who can’t knock down their property-tax bill.

From MarketWatch May 1, 2026

Mr. Trump was in the mood to knock down the East Wing of the White House and build in its place something huge and imposing, certainly needed, possibly grand.

From The Wall Street Journal Apr. 2, 2026

Trump has denied that he plans to knock down the center, and earlier Friday he posted two renderings on social media of what it would look like when it was refurbished.

From Barron's Mar. 13, 2026

While I knock down breakfast and get prepped, I try to think of what I might say.

From "Mockingjay" by Suzanne Collins

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