English Reference
Idiom idiom

crack down


To take harsh action (against), as when enforcing a law more stringently than before.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The police will crack down on drivers who speed.

CONTEXTUAL

The city decided to crack down on illegal parking after residents complained about blocked driveways.

COMPLEX

Following a series of security breaches, the administration resolved to crack down on unauthorized access to the sensitive research laboratory.


Related idioms8entries
  1. 01

    all it's cracked up to be

    As good as claims or reputation would suggest.

  2. 02

    crack a crust

    To make a living.

  3. 03

    crack a fat

    To get an erection of the penis.

  4. 04

    crack a smile

    To smile, especially while attempting not to.

  5. 05

    crack of dawn

    The first moment of daylight; the instant at which sunrise begins.

  6. 06

    crack through

    To penetrate

  7. 07

    crack up

    To laugh.

  8. 08

    employ a steam engine to crack a nut

    To carry out a simple task in an overcomplicated manner.

Last updated August 10, 2026