- a loud, talkative person, especially one who lacks discretion.
- any of several fishes having an unusually large mouth.
Origin of bigmouth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for big mouthreprehensible, objectionable, disgusting, loathsome, abhorrent, rotten, unpleasant, hateful, nasty, annoying, abominable, awful, beastly, detestable, disagreeable, foul, gross, heel, insufferable, invidious
- slang a noisy, indiscreet, or boastful person
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
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