How to Use bad-mouth in a Sentence

bad-mouth

verb

• He also bad-mouths my son’s wife.
  — Abigail Van Buren, Boston Herald, 8 June 2026
• Most of the people who were bad-mouthing Titanic had not seen so much as a minute of film.
  — Stacy Lambe, PEOPLE, 22 Oct. 2025
• This is not some glossy revisionist history of a person’s life; the man had a beautiful soul who didn’t have it in him to bad-mouth a cockroach.
  — Fort Worth Star-Telegram, 11 Sep. 2025
• After filing the grievance, Chick accused Lieder of bad-mouthing her to other lawmakers.
  — Nick Coltrain, Denver Post, 18 Aug. 2026
• Ranting on LinkedIn and bad-mouthing your ex-employer or naming and shaming your last negative recruitment experience won’t help you either.
  — Rachel Wells, Forbes.com, 3 Sep. 2025
• At one point, Brown stepped away from the set, and co-stars Antoni Porowski, Tan France and Jonathan van Ness began bad-mouthing him behind his back, while his mom heard the whole conversation, according to TMZ.
  — Joseph Wilkinson, New York Daily News, 21 Jan. 2026