Idioms

Origin of crack

before 1000; Middle English crak(k)en (v.), crak (noun), Old English cracian to resound; akin to German krachen, Dutch kraken (v.), and German Krach, Dutch krak (noun)

Related forms

crack·a·ble, adjectivecrack·less, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for crack down (1 of 2)

crack down


verb (intr, adverb often foll by on)

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

noun crackdown

severe or repressive measures

British Dictionary definitions for crack down (2 of 2)

crack

/ (kræk) /

verb

noun

adjective

(prenominal) slang first-class; excellenta crack shot

Word Origin for crack

Old English cracian; related to Old High German krahhōn, Dutch kraken, Sanskrit gárjati he roars
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

Idioms and Phrases with crack down (1 of 2)

crack down


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

Idioms and Phrases with crack down (2 of 2)

crack


In addition to the idioms beginning with crack

  • crack a book
  • crack a bottle
  • crack a joke
  • crack a smile
  • crack down
  • cracked up
  • crack of dawn
  • crack the whip
  • crack up

also see:

  • by jove (cracky)
  • fall between the cracks
  • get cracking
  • hard nut to crack
  • have a crack at
  • make a crack
  • not all it's cracked up to be
  • paper over (the cracks)
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.