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.

Today, Loudmouth Books carries more than 2,000 titles by, for, and about marginalized authors, spanning genres from children’s literature and cookbooks to fiction, poetry, romance, sci-fi, and graphic novels.

From Salon • Jan. 13, 2026

Last year, she founded Loudmouth Books, one of several independent sellers to open in Indianapolis.

From Seattle Times • May 23, 2024

“Most people seemed to review me, not the book: Loudmouth activist Larry Kramer has written a loudmouth book.”

From New York Times • May 27, 2020

The event also has a Loudmouth pants day, in which it's encouraging fans to wear the brand of pants Daly does to give away prizes.

From Golf Digest • May 2, 2016

Wearing his Loudmouth pants with a wild pattern called “In The Jungle,” he made his way around Pebble Beach by hitting fairways, making putts and keeping bogeys off his card.

From Washington Times • Feb. 13, 2015

loudmouth

Example Sentences

Related Words