clamp down clampdown • clamper · · · Info · Definitions · Synonyms · Characters · · clamp down · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) sudden restriction on an activity. Synonyms: clampdown. · · Noun Definition 1 (verb) repress or suppress (something regarded as undesirable). Synonyms: clamp down, crack down. Example: "The police clamped down on illegal drugs." · · Verb Definition 1 Synonyms · · · crack down · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 w latin small letter w U+0077