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blabbermouth

[blab-er-mouth]
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noun, plural blab·ber·mouths [blab-er-mouthz, -mouths] /ˈblæb ərˌmaʊðz, -ˌmaʊθs/.
  1. a person who talks too much, especially indiscreetly.
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Origin of blabbermouth

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

Synonyms

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

chatterboxgossipmongerwindbagsquealergossiperblowhardtattletaleblabberloudmouthgasbagchattererjabbererbabblerbigmouthgabbermotor-mouthyapper

Examples from the Web for blabbermouth

Contemporary Examples

Historical Examples

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

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

    Null-ABC

    Henry Beam Piper and John Joseph McGuire

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

    Time Crime

    H. Beam Piper


British Dictionary definitions for blabbermouth

blabbermouth

noun
  1. informal a person who talks too much or indiscreetly
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for blabbermouth

n.

1931, from blabber + mouth (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper