word of mouth, by

by word of mouth

Through the verbal sharing of information. A: "How did you hear about our bakery?" B: "Oh, by word of mouth. My dad told me about it." We don't have the budget for a big marketing campaign, so we'll just have to hope that buzz about our shop gets spread by word of mouth.
See also: by, mouth, of, word

word of mouth, by

Orally, by one person telling another, as in They don't advertise; they get all their customers by word of mouth. [Mid-1500s]
See also: by, of, word
References in periodicals archive ?
With Judy's Book free online marketing services, local businesses will be able to leverage what has traditionally been one of the most effective forms of local marketing, word of mouth, by managing a listing created by consumers who have had a personal experience with their company.