n. one who blabr; a tattler; a telltale. Syn. -- blabbermouth. [ 1913 Webster ]
n. someone who gossips indiscreetly. Syn. -- blabber, tattletale, taleteller, talebearer, telltale. [ WordNet 1.5 ]
adj. 1. tending to talk excessively. Syn. -- bigmouthed, blabby, talkative. [ WordNet 1.5 ]
2. prone to revealing secrets; -- of people. Syn. -- leaky, talebearing(prenominal), tattling(prenominal). [ WordNet 1.5 ]
adj. same as blabbermouthed 1. Syn. -- bigmouthed, blabbermouthed, talkative. [ WordNet 1.5 ]