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
• exposer
• stool pigeon
• betrayer
• canary
• gossiper
• blabbermouth
• deep throat
• snooper
• talebearer
• rat fink
• snoop
• nark
• telltale
• fink
• gossip
• blabber

Example Sentences

Recent Examples of whistleblower

The lawsuit, filed in January, originally claimed that unnamed whistleblowers had uncovered WhatsApp’s ability to circumvent the encryption. — Michael Kan, PC Magazine, 24 July 2026

Within a few days, an anonymous whistleblower came forward with a range of allegations. — Stewart Mandel, New York Times, 22 July 2026

The whistleblower reported that virtually all the students were veterans — in clear violation of VA rules — and that StoneMakers kept phony class rosters, according to investigators’ notes. — Andrew Ba Tran, Washington Post, 22 July 2026

The investigator, Gershom Slonim, now calls himself a whistleblower and has come forward to criticize the lack of action taken by the state agency — action that could have saved lives. — Joe Rubin, Sacbee.com, 17 July 2026