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certified mail

American  

noun

  1. uninsured first-class mail requiring proof of delivery.


Etymology

Origin of certified mail

First recorded in 1950–55

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.

Use certified mail, registered mail, or an approved private delivery service like FedEx or UPS, not labels from self-service kiosks or postage meters.

From The Wall Street Journal • Mar. 20, 2026

In its filing, the Postal Service said it’s also seeking price adjustments on special services such as money order fees and certified mail.

From Seattle Times • Apr. 9, 2024

After a trip to the post office — where she spent $240 sending off dispute letters by certified mail for clients — she realized more money was going out than in.

From New York Times • Jun. 7, 2023

Also increasing would be the cost of domestic and international postcards, one-ounce international letters, certified mail, post office box rentals, money order fees and mailing insurance.

From Washington Times • Apr. 10, 2023

If you want to know when the Copyright Office receives your material, send it by registered or certified mail and request a return receipt from the U.S.

From Supplementary Copyright Statutes, US Copy. Office by Library of Congress. Copyright Office