loudmouth

[loud-mouth] / ˈlaʊdˌmaʊθ /

ADJECTIVE

boastful

Synonyms

STRONGEST

arrogant bombastic cocky exultant pompous pretentious

WEAK

big big-headed conceited crowing egotistic egotistical full of hot air highfalutin hot stuff know-it-all on ego trip puffed-up self-aggrandizing self-applauding smart-alecky snooty strutting stuck-up swaggering swanky swollen-headed too big for one's britches vainglorious vaunting windbag

Antonyms

STRONGEST

humble modest unconceited

WEAK

deprecating

ADJECTIVE

conceited

Synonyms

WEAK

arrogant big-talking bigheaded cocky conceity full of hot air gall ham hot stuff immodest know-it-all narcissistic overweening phony puffed up self-important smart-alecky snotty stuck up swollen-headed vain vainglorious windbag

Antonyms

WEAK

diffident humble meek modest self-conscious shy timid unself-confident

ADJECTIVE

noisy

Synonyms

STRONGEST

boisterous cacophonous clamorous rambunctious riotous rowdy strident vociferous

WEAK

blatant blusterous booming chattering clangorous clattery deafening disorderly ear-popping ear-splitting jumping obstreperous piercing rackety raising Cain raising the roof raspy screaming strepitous tumultuous turbulent turned up uproarious

Antonyms

STRONGEST

calm moderate quiet restrained silent

WEAK

noiseless still

NOUN

blabbermouth

Synonyms

STRONG

babbler blabber blowhard chatterbox chatterer gasbag gossiper gossipmonger jabberer squealer tattletale windbag

WEAK

babblemouth bag of wind bigmouth blabberer gabber motor-mouth yapper

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

Not only did its first installments change directors and tones, they even radically changed Hunt’s personality from a loudmouth to a playboy to a devoted husband.

From Los Angeles Times • May 16, 2025

“It gives more gravitas than some architect loudmouth in Seattle,” said Eliason, who sits on the center’s board.

From Slate • Feb. 28, 2025

For others, it makes her a loudmouth irritant.

From BBC • Feb. 14, 2024

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

From "Linked" by Gordon Korman

loudmouth

Example Sentences

Related Words