[ krak-doun ]
/ ˈkrækˌdaʊn /


the severe or stern enforcement of regulations, laws, etc., as to root out abuses or correct a problem.

Origin of crackdown

1930–35, Americanism; noun use of verb phrase crack down Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for crackdown