[ bad-mouth or, sometimes, -mouth ]
/ ˈbædˌmaʊθ or, sometimes, -ˌmaʊð /
verb (used with object), bad-mouthed, bad-mouth·ing.
Slang. to speak critically and often disloyally of; disparage: Why do you bad-mouth your family so much?
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Origin of bad-mouth
1935–40; originally a curse, spell (the sense recorded in Gullah); compare Vai (Mande language of Liberia and Sierra Leone) dà nyà mà curse, literally, bad mouth
OTHER WORDS FROM bad-mouthbad-mouth·er, noun
Words nearby bad-mouth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for badmouthing
(tr) slang to speak unfavourably about
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