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View synonyms for blow the whistle on

blow the whistle on

  1. Expose corruption or other wrongdoing, as in The President's speech blew the whistle on the opposition's leaking information . [ Colloquial ; 1930s]

  2. Put a stop to, as in The registry decided to blow the whistle on new vanity plates . The term originally alluded to ending an activity (such as factory work) with the blast of a whistle. [Late 1800s]



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