Comprehensive
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary
       

crack down

 
See:
crack
part of speech: phrase
definition 1: to begin to enforce the laws, rules, or requirements more strictly.
With so many people ignoring the new speed limit, the police have begun to crack down.
definition 2: to deal with more strictly or harshly in order to enforce rules or requirements (fol. by "on").
Our teacher cracked down on us by giving us more homework.The mayor wants to crack down on crime in this city.