Gossip, talebearing and backbiting

Main Entry: gossip
Part of Speech: noun
Definition: person who talks a lot, spreads
Synonyms: blabbermouth, busybody, chatterbox, chatterer, circulator, flibbertigibbet, gossipmonger, informer, meddler, newsmonger, parrot, prattler, rumormonger, rumors babbler, scandalizer, scandalmonger, snoop, talebearer, tattler, telltale (Thesaurus)