blow the whistle
phrase
: to call public or official attention to something (such as a wrongdoing) kept secret
—usually used with on
blew the whistle on the firm's unethical practices
Cite this Entry
“Blow the whistle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blow%20the%20whistle. Accessed 18 Dec. 2025.
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