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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Recent Examples of whistleblower
His testimony comes more than four years after internal documents leaked by whistleblower Frances Haugen indicated the company knew its platforms could be harmful.
—
Clare Duffy, CNN Money, 22 Feb. 2026
In the months leading up to the spin-off, the county announced a whistleblower informed the administration of County Executive Dave Coulter that a company run by a county employee was awarded a six-figure contract to help with IT services for CLEMIS.
—Dave Boucher, Freep.com, 22 Feb. 2026
After tracking Batra down in Istanbul, Peter discovers that the analyst is actually a whistleblower who uncovered a massive financial conspiracy involving Suspicious Activity Reports.
—Max Gao, HollywoodReporter, 22 Feb. 2026
As if the federal probe wasn’t compromising enough for Clark, it then got leaked by a union whistleblower that he was engaged in an inappropriate relationship with his sister-in-law who’d been hired by the union in 2023.
—Bill Madden, New York Daily News, 21 Feb. 2026
See All Example Sentences for whistleblower
Clare Duffy, CNN Money, 22 Feb. 2026
In the months leading up to the spin-off, the county announced a whistleblower informed the administration of County Executive Dave Coulter that a company run by a county employee was awarded a six-figure contract to help with IT services for CLEMIS.
—Dave Boucher, Freep.com, 22 Feb. 2026
After tracking Batra down in Istanbul, Peter discovers that the analyst is actually a whistleblower who uncovered a massive financial conspiracy involving Suspicious Activity Reports.
—Max Gao, HollywoodReporter, 22 Feb. 2026
As if the federal probe wasn’t compromising enough for Clark, it then got leaked by a union whistleblower that he was engaged in an inappropriate relationship with his sister-in-law who’d been hired by the union in 2023.
—Bill Madden, New York Daily News, 21 Feb. 2026
See All Example Sentences for whistleblower
Recent Examples of Synonyms for whistleblower
Noun
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Branthwaite gave a stock answer when discussing his new role with reporters on Monday.—
Patrick Boyland,
New York Times,
26 Feb. 2026
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Rustem Umerov, secretary of Ukraine's National Security and Defense Council, is due to hold talks with Steve Witkoff and Jared Kushner on Thursday in Geneva, Zelenskyy told reporters.—
Arkansas Online,
Arkansas Online,
26 Feb. 2026
Noun
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Violet, an actual spy, sets up a stunning little trap.—
Christina Grace Tucker,
Vulture,
26 Feb. 2026
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The Drivecast is free, just like Spyglass–The Drive‘s spy shot newsletter—because everyone should be an insider, and is available on both Spotify and Apple Podcasts.—
Joel Feder,
The Drive,
25 Feb. 2026
Cite this Entry
“Whistleblower.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/whistleblower. Accessed 28 Feb. 2026.
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