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

In September, a USCIS whistleblower said that employees were asked to review the voter information of tens of thousands of individuals across the country, including citizens. — Madeleine May, CBS News, 21 Oct. 2026

Legal gray areas also heighten concerns for the protection of whistleblowers, activists, journalists, researchers and others who could be targeted by governments known to restrict civil and political rights. — Mary Lind, The Conversation, 21 Oct. 2026

Trump puts fraudsters on notice with $25M whistleblower program offering cash for tips that deliver. — FOXNews.com, 20 Oct. 2026

But according to one of the whistleblowers who helped expose Theranos, Elizabeth Holmes hasn’t stopped trying to control the narrative. — Bilin Lin, Fortune, 20 Oct. 2026