Dictionary.com
Thesaurus.com
Showing results for bad-mouth. Search instead for toad's-mouth.
Jump To:
  • bad-mouth
    bad-mouth
    verb (used with object)
    to speak critically and often disloyally of; disparage.
  • bad mouth
    bad mouth
    Disparage or criticize unduly, malign, as in Why do you constantly bad mouth your colleagues? This term is believed to be of African origin, where the phrase bad mouth signifies a curse or evil spell. [1930s]
Synonyms

bad-mouth

American  
[bad-mouth, -mouth] / ˈbædˌmaʊθ, -ˌmaʊð /
Or badmouth

verb (used with object)

bad-mouthed, bad-mouthing
  1. Slang. to speak critically and often disloyally of; disparage.

    Why do you bad-mouth your family so much?


bad-mouth British  

verb

  1. slang (tr) to speak unfavourably about

"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

bad mouth Idioms  
  1. Disparage or criticize unduly, malign, as in Why do you constantly bad mouth your colleagues? This term is believed to be of African origin, where the phrase bad mouth signifies a curse or evil spell. [1930s]


Other Word Forms

Etymology

Origin of bad-mouth

1935–40; originally a curse, spell (the sense recorded in Gullah); compare Vai (Mande language of Liberia and Sierra Leone) dà nyà mà curse, literally, bad 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.

See Examples For:

Trying to get Pete Carroll to bad-mouth a former player of his is like trying to get an Auburn fan to yell “Roll Tide!”

From Seattle Times Feb. 24, 2023

Macchio also made the decision to never bad-mouth the Karate Kid films, even if he was frustrated with the direction his career had taken.

From BBC Nov. 24, 2022

Don’t split loyalties, and never bad-mouth your co-parent.

From Washington Post Jul. 13, 2022

“Some people bad-mouth America, but in reality, it’s a good country,” said Yoneha, who came to the U.S. from Okinawa on a whim 50 years ago.

From Los Angeles Times Jun. 27, 2022

Pa said, “I advise caution, Leroy. I ain’t trying to bad-mouth no one, but how much we really know ’bout Zephariah?

From "Elijah of Buxton" by Christopher Paul Curtis

“I don’t want to bad mouth him but he wanted to keep managing. He just couldn’t accept not being there. That’s just the way it was.”

From Los Angeles Times Sep. 24, 2025

"It's never a good idea to post publicly about your break-up, to bad mouth them," William says.

From BBC Feb. 14, 2023

“People bad mouth ‘walled gardens’ and paid subscriptions, but I bet they’re the same people who say they support fair pay and want to reduce burnout,” he said.

From New York Times Mar. 4, 2022

I’m sure they’ll bad mouth me either way, but then I won’t care.

From Slate Sep. 5, 2017

They’d put the bad mouth on their aunt’s first American day; you had to sweeten their noisy barbarous mouths.

From "The Woman Warrior" by Maxine Hong Kingston

She also alleged that employees of the agency bad-mouthed NewJeans on internal communication app and asked a journalist to downplay the group's record sales in one article.

From BBC Nov. 20, 2024

One night, well into one of those dinners of fine food and finer storytelling, Majerus answered the puzzling question of why Knight bad-mouthed Wooden.

From Los Angeles Times Nov. 5, 2023

The trustee for the auction told The Post that each man had bad-mouthed the other in advance of the public sale.

From Washington Post Jul. 31, 2020

For years, T-Mobile’s chief executive, John Legere, has gleefully bad-mouthed his much larger mobile phone competitors, Verizon Wireless and AT&T, for their high prices and profit margins, and their low-quality service.

From New York Times Jun. 1, 2019

Realizing that he was up against two big, competent mice who would stand no nonsense, he became abusive and bad-mouthed.

From "Redwall" by Brian Jacques

Judging from the near-universal backlash to Timothée Chalamet’s recent bad-mouthing of ballet, Eden’s summation of the central tenet of their show may be true.

From Los Angeles Times Mar. 30, 2026

Your boss may be bad-mouthing you to others.

From MarketWatch Feb. 28, 2026

Mere hours before her own debate with Trump, Biden called her and demanded to know if she’d been bad-mouthing him to donors.

From Salon Sep. 26, 2025

Hanni further alleged that she had seen employees bad-mouthing NewJeans on Blind - an app for internal communications similar to Teams or Slack.

From BBC Oct. 15, 2024

I mean, I can’t imagine any Decker who would spend precious time praising or bad-mouthing the foundation.

From "They Both Die at the End" by Adam Silvera

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training