Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

word of mouth

Definition of word of mouth

  1. :  oral communication; especially :  oral often inadvertent publicity


First Known Use of word of mouth


Seen and Heard

What made you want to look up word of mouth? Please tell us where you read or heard it (including the quote, if possible).