blabbermouth

[ blab-er-mouth ]

noun

, plural blab·ber·mouths [blab, -er-mou, th, z, -mouths].

1. a person who talks too much, especially indiscreetly.

   Synonyms: tattler, bigmouth, talebearer, busybody, gossipmonger, gossip

blabbermouth

/ ˈblæbəˌmaʊθ /

noun

1. informal.
   a person who talks too much or indiscreetly

Word History and Origins

Origin of blabbermouth¹

An Americanism dating back to 1935–40; blabber ( def ) + mouth

Example Sentences

Why, then, does she bother to lecture a blabbermouth like Jaimee Grubbs or any of Tiger's other mercenary mistresses?

From The Daily Beast

But the truth was that it was simply a traveling blabbermouth, whom the White House duly unearthed and punished.

From The Daily Beast

Pelton muttered: "Why Frank sponsors that blabbermouth of a Mongery—"

From Project Gutenberg

"I thought you'd managed to get that blabbermouth transposed to PolTerm," Zostha said.

From Project Gutenberg

Silence that blabbermouth; he does not know what he is talking about.

From Project Gutenberg