0 to start dealing with bad or illegal behaviour in a more severe way: --
The library is cracking down on people who lose their books.
1 to take strong action to stop something: --
The law limits engine idling to four minutes, but there aren’t enough police officers to crack down on the problem.
NIEUWE WOORDEN
European
May 10, 2021
WOORD VAN DE DAG
Shimmer
crack down