mouthy

American  

[mou-thee, -thee] / ˈmaʊ θi, -ði /

adjective

mouthier, mouthiest

1. rude, disrespectful, or given to back talk; insolent.

   One of the kids was a holy terror—belligerent and mouthy.

2. excessively talkative, often in a pretentious way.

   I get nauseated just thinking of that talk show and the parade of mouthy buffoons.

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mouthy British  

/ ˈmaʊðɪ /

adjective

1. bombastic; excessively talkative

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Other Word Forms

• mouthily adverb
• mouthiness noun

Etymology

Origin of mouthy

First recorded in 1580–90; mouth + -y ¹

Example Sentences

The mouthy pool shark Minnesota Fats is given as much attention as the babushka Lyudmila Borisovna—an anti-Nazi broadcaster whom Joseph Goebbels called the witch of the Kremlin.

From The Wall Street Journal • Jan. 23, 2026

On this day, they’re also watching Harmony’s dog, Dragon, a mouthy attention-seeker who interrupts our conversation multiple times.

From Los Angeles Times • Dec. 8, 2025

The actress and comedian played Donna Noble, the Doctor's mouthy companion in the popular sci-fi franchise.

From BBC • Nov. 26, 2023

So he sent director Greta Gerwig a demo with a few lines — including a deliciously mouthy lyric about “blonde fragility.”

From Seattle Times • Jul. 17, 2023

The mouthy man said, “If you look out of that window, you’ll see there’s a welcoming committee gathering in your honor, and it’s growing by the minute.”

From "The Journey of Little Charlie" by Christopher Paul Curtis