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Definitions

whistleblower

[wis-uhl-bloh-er, hwis-] / ˈwɪs əlˌbloʊ ər, ˈʰwɪs- /
NOUN
informer
Synonyms
STRONGEST
informant informer
STRONG
advocate defender protector snitch stool pigeon turncoat

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cipriani, a self-professed fixer and whistleblower who claimed to have consulted for the veteran media executive.

From The Wall Street Journal • Apr. 8, 2026

Cipriani, a self-professed fixer and whistleblower who said he did work amounting to crisis communications services for Shell.

From The Wall Street Journal • Apr. 8, 2026

After his arrest, he told police he was a "whistleblower".

From BBC • Mar. 20, 2026

Nick Vaquero, the whistleblower who first spoke to LAist, confirmed to The Times several details about his complaint, which he submitted to county officials in October.

From Los Angeles Times • Mar. 14, 2026

The Post said the whistleblower issued the complaint anonymously because they feared retaliation.

From MarketWatch • Mar. 10, 2026