Idiom: Clamp Down OnCheck definitions of...clampdownonMeaningsTo take measures to stop (something); to put an end to.Example Sentences1The government plans to clamp down on tax evasion.2The school has decided to clamp down on bullying.A-Z Proximitiescircuit sluggercircular filecircular firing squadcivil tongueclaim to fame clamp down on clap eyes onclash of the ashclass clownclean breakclean handsSimilar Idiomsclamp down onSimilar Phrasesclamp downbench clamphair clamppipe clampback downbargain downbear down onbelt downbow downbatten downbear downbear down uponbeat downbed downbrush downbunk downcamp downcascade downbog downboil down