Synonyms of whistleblower

whistleblower

noun

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.

Related Words

• reporter
• spy
• informant
• informer
• leaker
• tipster
• discloser
• snitch
• notifier
• stoolie
• rat
• tattletale
• snitcher
• squealer
• tattler
• stool pigeon
• exposer
• betrayer
• canary
• gossiper
• blabbermouth
• deep throat
• snooper
• talebearer
• rat fink
• snoop
• nark
• telltale
• fink
• gossip
• blabber

Example Sentences

Recent Examples of whistleblower

The whistleblower alleges the IT system was built in a matter of weeks, has not been adequately tested and has crashed during testing. — Steve Inskeep, NPR, 2 Sep. 2026

Oscar winner Mikey Madison plays a Facebook engineer and whistleblower threatening to reveal the social platform's darkest secrets. — Brian Truitt, USA Today, 2 Sep. 2026

The whistleblower also alleges that the administration moved forward with steps to create the new system during two initial injunctions from the court, which would have violated the court’s order. — Jen Fifield, ProPublica, 2 Sep. 2026

Jeremy Strong takes over from Jesse Eisenberg as Mark Zuckerberg, with Jeremy Allen White as reporter Jeff Horwitz and Mikey Madison as Frances Haugen, one of the most significant whistleblowers of the digital age. — Jack Smart, PEOPLE, 1 Sep. 2026