How to Use undeliverable in a Sentence

undeliverable

adjective
  • His emails to staff began bouncing back as undeliverable.
    — Rachel Hale, USA Today, 11 May 2026
  • Konan alleges the employees marked some of the mail as undeliverable or return to sender.
    — Susan Haigh, Fortune, 26 Nov. 2025
  • My letter came back as undeliverable.
    — Jeremy Kohler, ProPublica, 20 Apr. 2026
  • If your package is marked as undeliverable or missing, then contact Amazon or the third-party seller.
    — Riley Rourke, CBS News, 12 Dec. 2025
  • Court records show hearing notices sent to an address used by ICE were returned as undeliverable.
    — Olivia Young, CBS News, 4 Feb. 2026
  • Court records show hearing notices sent to an address used by ICE were returned as undeliverable.
    — Dan Raby, CBS News, 10 Feb. 2026
  • However, immigration court records show notices went to the wrong address and were returned as undeliverable.
    — Aj Willingham, AJC.com, 16 Feb. 2026
  • Such voters remain registered to vote but are considered inactive because mail sent to them was undeliverable and their addresses weren’t confirmed.
    — Jim Saunders, Sun Sentinel, 26 Jan. 2026
  • Such voters, the lawsuit said, remain registered to vote but are considered inactive because mail sent to them was undeliverable and their addresses weren’t confirmed.
    — Jim Saunders, Sun Sentinel, 13 Jan. 2026
  • State and local officials tracked those letters returned as undeliverable to start marking voters as inactive, and sent additional letters in an attempt to notify those people.
    — Paula Wethington, CBS News, 30 Apr. 2026
  • The three men were not immediately reachable for comment Monday, and an email sent to an address associated with Larosiere was returned as undeliverable.
    — Sharon Bernstein, Sacbee.com, 9 Feb. 2026
  • The government is buying up warehouses to store detainees, citizens and undocumented immigrants alike, like undeliverable Amazon packages, tens of thousands of them apparently.
    — Los Angeles Times, 11 Feb. 2026
  • When the bank sent marketing emails to 400,000 purported Frank customers, approximately 70% bounced back as undeliverable.
    — Dave Smith, Fortune, 1 Oct. 2025
  • Fifty-five people in Denton County besides Nel have also had their registration canceled after not responding to the notice, including five people whose notices came back as undeliverable, according to Phillips.
    — Jude Joffe-Block, NPR, 10 Dec. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'undeliverable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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