[ loud-mouth ]
See synonyms for: loudmouthloudmouths on Thesaurus.com

noun,plural loud·mouths [loud-mouthz, -mouths]. /ˈlaʊdˌmaʊðz, -ˌmaʊθs/.
  1. a loudmouthed person.

Origin of loudmouth

First recorded in 1660–70; loud + mouth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use loudmouth in a sentence

  • I believe, sir, that in your smooth way you once took occasion to say that Gideon Batts was a loud-mouth and most imprudent man.

    An Arkansas Planter | Opie Percival Read
  • Ordinarily it would have been a simple bull-pen, night-court case—a loud-mouth drunk refusing to pay for a drink.

    Ten From Infinity | Paul W. Fairman
  • After a moment of thought he added, "Tsistsaki, bring me a couple of firers for this loud-mouth gun."

    The War-Trail Fort | James Willard Schultz
  • All began to eat, using nothing but their hands and making loud mouth-noises and lip-smackings.

    The Scarlet Plague | Jack London
  • Loud-mouth is now pointing out the south side of the barricade.

    The War-Trail Fort | James Willard Schultz

British Dictionary definitions for loudmouth


/ (ˈlaʊdˌmaʊθ) /

  1. a person who brags or talks too loudly

  2. a person who is gossipy or tactless

Derived forms of loudmouth

  • loudmouthed (ˈlaʊdˌmaʊðd, -ˌmaʊθt), adjective

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

Other Idioms and Phrases with loudmouth


see big mouth.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.