by word of mouth

1. see word of mouth.

2. Orally, by one person telling another, as in They don't advertise; they get all their customers by word of mouth. [Mid-1500s]

Example Sentences

The first-generation underground churches of a half-century ago met in houses and undisclosed alleyway rooms, gathering by word of mouth.

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Produced for $40 and promoted by word of mouth, the cover image was of Lehrer in hell playing piano as the devil.

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Advertisements for his services seem to spread by word of mouth.

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Despite the loss, Andres Salazar’s clients have stepped in to help by advertising his situation on social media and by word of mouth.

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More than 500 workers turned up at the KIWA’s event, several hundred more than initially expected as word of the government program and the registration clinic spread by word of mouth.

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