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by word of mouth

Idioms  
  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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From The Wall Street Journal • Oct. 23, 2025

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

From BBC • May 1, 2025

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

From Los Angeles Times • Jan. 14, 2025

His debut, “The Color of Water,” a memoir about his white Jewish mother, Ruth, got off to a slow start but began spreading by word of mouth once it was out in paperback.

From New York Times • Mar. 23, 2024

Within a few minutes of the assassination, the news began spreading, first by word of mouth from Ford’s, then by messenger.

From "Chasing Lincoln's Killer" by James L. Swanson

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