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Definitions

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.

Publisher Vern Nelson started off as the resident loudmouth in its lively comments section before becoming a contributor, then taking over Orange Juice altogether in 2010.

From Los Angeles Times • Mar. 22, 2025

Of course he's always been an ignorant loudmouth, but you could largely follow the dumb things he was trying to say.

From Salon • Mar. 6, 2024

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