whistle-blowernoun [ C ]
uk/ˈwɪs.əlˌbləʊ.ər/us/ˈwɪs.əlˌbloʊ.ɚ/a person who tells someone in authority about something illegal that is happening, especially in a government department or a company
Thesaurus: synonyms and related words
People who reveal secrets & tell tales
- big mouth
- blabbermouth
- dobber
- fink
- grass
- informer
- nark
- rat
- rumour-monger
- scandalmonger
- scaremonger
- sneak
- snitch
- source
- stool pigeon
- supergrass
- tattletale
- telltale