- squealer
- Synonyms and related words:betrayer, blab, blabber, blabberer, blabbermouth, canary, delator, fink, informer, narc, nark, peacher, snitch, snitcher, spy, stool pigeon, stoolie, talebearer, tattler, tattletale, telltale, tipster, whistle-blower
Moby Thesaurus. Grady Ward. 1996.