from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An act or example of forceful regulation, repression, or restraint: a crackdown on crime.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Abruptly stern measures or disciplinary action; increased enforcement

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. severely repressive actions


Noun use of the verb “to crack down” (Wiktionary)



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