Definition of "shh" []

• Requesting silence. Asking people to keep silent. (interjection)

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• "We'll just start calling you SSH for short - as in shh, the staid suburban housewife has a secret glamorous life as a bestselling author ..."
• "Anyhoo, you know when the manager of the pizza place is "shh"-ing the librarians, you're pretty crazy."
• "The Metro-North press release lends credence to her concern: customers, it says, will be "self-monitoring," though conductors will be authorized to issue something called a "shh card.""