bigmouth

[big-mouth]

SEE MORE SYNONYMS FOR bigmouth ON THESAURUS.COM

noun, plural big·mouths [big-mouth z, -mouths] /ˈbɪgˌmaʊðz, -ˌmaʊθs/ for 1; (especially collectively) big·mouth, (especially referring to two or more kinds or species) big·mouths for 2.

a loud, talkative person, especially one who lacks discretion.

any of several fishes having an unusually large mouth.

Origin of bigmouth

An Americanism dating back to 1885–90; big¹ + mouth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for big mouth

reprehensible, objectionable, disgusting, loathsome, abhorrent, rotten, unpleasant, hateful, nasty, annoying, abominable, awful, beastly, detestable, disagreeable, foul, gross, heel, insufferable, invidious

British Dictionary definitions for big mouth

bigmouth

noun

slang a noisy, indiscreet, or boastful person

Derived Formsbig-mouthed, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for big mouth

also bigmouth "person who talks too much," 1889, American English, from big + mouth (n.).