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

For now, Robert Holmes, the original Riverside whistleblower, remains patient. — Luke Cyphers, Sportico.com, 13 Aug. 2026

Late last month, The Wall Street Journal reported an internal whistleblower complaint about Walter’s Guggenheim Investments triggered a federal investigation. — Chris Isidore, CNN Money, 12 Aug. 2026

Documents produced by two DHS whistleblowers in February showed that ICE had significantly scaled up its hiring while axing several screening and training protocols for officers. — Connor Greene, Time, 12 Aug. 2026

Elliott became a whistleblower in the case of Dan Markingson, who killed himself after enrolling in an antipsychotic drug trial at the University of Minnesota. — Angus Chen, STAT, 11 Aug. 2026