blow the whistle


When used idiomatically, probably an allusion to a police officer blowing his or her whistle on observing a violation of the .


blow the whistle (third- singular simple present blows the whistlepresent participle blowing the whistlesimple past blew the whistlepast participle blown the whistle)

  1. (idiomatic, usually with “on”) To disclose information to the  or to appropriate authorities concerning the illegal or socially harmful actions of a or group, especially a corporation or  . In some jurisdictions, it is illegal to fire a for blowing the whistle on an employer.
  2. ( sports) To make a piercing which signals a referee's or the end of a game.


  • (disclose information): tattle, tell on; See also Thesaurus: rat out

Related terms

  • whistle-blower

Last Updated on 11 months by pinc