Clamp down (PW) become stricter Because he came home from the party so late, his father said he will start to clamp down on his curfew. (MW) Main Entry: clamp·down Pronunciation: \ˈklamp-ˌdau̇n\ Function: noun Date: 1940 : the act or action of making regulations and restrictions more stringent accounts, bank loans, and other inflationary influences — Time> (free) clamp down To become more strict or repressive; impose controls: clamping down on environment polluters. |