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
ˌən-di-ˌli-v(ə-)rə-ˈbi-lə-tē How to pronounce undeliverable (audio)
-dē-
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.
This can happen if election mail is returned as undeliverable or if election officials receive information indicating the voter may have moved. — Brandi D. Addison, USA Today, 28 Aug. 2026 The monitor presided over the 2022 election in which barely 9% voted, with more ballots returned undeliverable than cast, and brushed my protests aside. — Liam Rappleye, Freep.com, 7 Aug. 2026 If a voter hasn’t participated in four years or mail sent to their address is returned as undeliverable, their record is inactivated. — Joe Mansky, Twin Cities, 10 May 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 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

Rhymes for undeliverable

See All Rhymes for undeliverable

Browse Nearby Words

undelightful
undeliverable
undelivered
See all Nearby Words

Cite this Entry

“Undeliverable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeliverable. Accessed 4 Sep. 2026.

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