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


adjective \ˌwərd-ə(v)-ˈmau̇th\

Definition of word–of–mouth

  1. :  orally communicated; also :  generated from or reliant on oral publicity <word–of–mouth customers> <a word–of–mouth business>

Circa 1812

First Known Use of word–of–mouth

circa 1812

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).