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loudmouth

American  
[loud-mouth] / ˈlaʊdˌmaʊθ /

noun

loudmouths plural
  1. a loudmouthed person.


loudmouth British  
/ ˈlaʊdˌmaʊðd, ˈlaʊdˌmaʊθ, -ˌmaʊθt /

noun

  1. a person who brags or talks too loudly

  2. a person who is gossipy or tactless

"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 Word Forms

Etymology

Origin of loudmouth

First recorded in 1660–70; loud + mouth

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But take comfort in knowing the loudmouth will eventually get his — maybe soon, but probably later than we’d like.

From Salon • Jan. 15, 2026

Maybe her soft-spoken vibe allows her to get away with more than a loudmouth would, like a line about Jeff Bezos going to hell, delivered on an Amazon platform.

From New York Times • Dec. 20, 2023

And he’s now the preeminent loudmouth at the center of College Gameday, one of ESPN’s most venerable and celebrated productions.

From Slate • Dec. 3, 2023

"There is more to Claressa Shields than just being the loudmouth American," she concludes.

From BBC • Nov. 8, 2023

I’m not a fan—I think the guy is an obnoxious loudmouth.

From "Linked" by Gordon Korman

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