Noun: blabbermouth 'bla-bu(r),mawth
Usage: informal
Usage: informal
- Someone who gossips indiscreetly
"The office blabbermouth spread rumours about the upcoming merger";
- tattletale [US], tattler, taleteller, talebearer, telltale, blabber [informal]
Derived forms: blabbermouths
Type of: gossip, gossiper, gossipmonger, newsmonger, rumormonger [US], rumourmonger [Brit, Cdn]
Encyclopedia: Blabbermouth