variants
or whistle-blower
as in reporter
a person who provides information about wrongdoing (as of an employer)
There are laws to protect whistleblowers who reveal govermental malfeasance.
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Example Sentences
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Recent Examples of whistleblower
The lawsuit alleges unlawful retaliation under the Missouri Human Rights Act and unlawful whistleblower retaliation.
—
Judy L. Thomas, Kansas City Star, 21 Jan. 2026
The whistleblower group argues the ICE memo violates the Fourth Amendment and DHS' own policy manual.
—Luke Barr, ABC News, 21 Jan. 2026
After Naroditsky’s death, Kramnik called for a police investigation but also defended himself as a whistleblower.
—Caelyn Pender, Mercury News, 21 Jan. 2026
One of the two whistleblowers was allowed to view the memo only in the presence of a supervisor and then had to give it back.
—Rebecca Santana, Chicago Tribune, 21 Jan. 2026
See All Example Sentences for whistleblower
Judy L. Thomas, Kansas City Star, 21 Jan. 2026
The whistleblower group argues the ICE memo violates the Fourth Amendment and DHS' own policy manual.
—Luke Barr, ABC News, 21 Jan. 2026
After Naroditsky’s death, Kramnik called for a police investigation but also defended himself as a whistleblower.
—Caelyn Pender, Mercury News, 21 Jan. 2026
One of the two whistleblowers was allowed to view the memo only in the presence of a supervisor and then had to give it back.
—Rebecca Santana, Chicago Tribune, 21 Jan. 2026
See All Example Sentences for whistleblower
Recent Examples of Synonyms for whistleblower
Noun
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While speaking to reporters later Wednesday, Powell was asked if the Fed had responded to the subpoenas.—
Dan Mangan,Eamon Javers,
CNBC,
28 Jan. 2026
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Indianapolis weather radar Karl Schneider is an IndyStar environment reporter.—
Karl Schneider,
IndyStar,
28 Jan. 2026
Noun
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For the first time, Pixar hired an outside director, Brad Bird, who drew inspiration from spy films and comic books from the 1960s.—
Mike Barnes,
HollywoodReporter,
29 Jan. 2026
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Fans might recognize her from the streamer's spooky period drama 1899 (2022) or its hit spy thriller Black Doves (2024–present).—
Allison DeGrushe,
Entertainment Weekly,
29 Jan. 2026
Cite this Entry
“Whistleblower.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/whistleblower. Accessed 2 Feb. 2026.
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