undeliverable

adjective

un·​de·​liv·​er·​able ˌən-di-ˈli-v(ə-)rə-bəl How to pronounce undeliverable (audio)
-dē-
: not capable of being delivered : not deliverable
undeliverable mail/email
an undeliverable parcel
a message returned as undeliverable
undeliverability noun

Examples of undeliverable in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, immigration court records show notices went to the wrong address and were returned as undeliverable. Aj Willingham, AJC.com, 16 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 Court records show hearing notices sent to an address used by ICE were returned as undeliverable. Dan Raby, CBS News, 10 Feb. 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 See All Example Sentences for undeliverable

Word History

First Known Use

1843, in the meaning defined above

Time Traveler
The first known use of undeliverable was in 1843

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Cite this Entry

“Undeliverable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeliverable. Accessed 18 Feb. 2026.

Last Updated: - Updated example sentences
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