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Synonyms

crack down

British  

verb

  1. to take severe measures (against); become stricter (with)

"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. severe or repressive measures

"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
crack down Idioms  
  1. Act more forcefully to regulate, repress, or restrain. For example, The police cracked down on speeding. [1930s]


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:

For years, the U.S. pushed China to crack down on the precursor producers.

From The Wall Street Journal ● Oct. 6, 2026

Airlines UK said it welcomed a commitment to crack down on disruptive passengers.

From BBC ● Oct. 2, 2026

The emergency school closures were part of a federal partnership to crack down on fraud and illegal practices in the commercial trucking industry.

From Los Angeles Times ● Aug. 31, 2026

Shares of Amazon.com were falling 3% on Monday following news that the Federal Trade Commission is looking to crack down on the company’s lucrative digital-advertising business.

From MarketWatch ● Aug. 31, 2026

“You are. They’re going to crack down on you for signing Washington Irving’s name to all those letters you’ve been signing Washington Irving’s name to. How do you like that?”

From "Catch-22" by Joseph Heller

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