Synonyms of 'crack down on something or someone'
▷ See crack
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If you curb something, you control it and keep it within limits.
He must learn to curb that temper of his.
If you repress a feeling, you make a deliberate effort not to show or have this feeling.
People who repress their emotions risk having nightmares.
Thesaurus for crack down on something or someone from the Collins English Thesaurus