Synonyms of informer

informer

noun

in-ˈfȯr-mər 

as in informant

a person who provides information about another's wrongdoing

the informer who told the police about that conspiracy has angered a lot of dangerous people

Synonyms & Similar Words

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

Example Sentences

Recent Examples of informer

Reporting from human intelligence assets – spies or unwitting informers with firsthand or secondhand knowledge – may provide information on internal Iranian assessments. — Joshua Rovner, The Conversation, 2 July 2025

The court can instruct the jury to view with caution the testimony of, say, an informer or a drug addict. — Daniel Arkin, NBC news, 10 June 2025

Singh says that the Kashmir policy of India's Hindu nationalist government has alienated residents of Kashmir, and cost the Indian army its vital network of local informers. — Omkar Khandekar, NPR, 23 Apr. 2025

Over the past eight decades, the CCP has constructed a vast network of millions of informers and spies whose often unpaid work has been critical to the regime’s survival. — Minxin Pei, Foreign Affairs, 6 Feb. 2024