undeliverable
adjective
un·de·liv·er·able
ˌən-di-ˈli-v(ə-)rə-bəl 
-dē-
: not capable of being delivered : not deliverable
undeliverable mail/email
an undeliverable parcel
a message returned as undeliverable
Examples of undeliverable in a Sentence
Recent Examples on the Web
His emails to staff began bouncing back as undeliverable.
—
Rachel Hale, USA Today, 11 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
My letter came back as undeliverable.
—Jeremy Kohler, ProPublica, 20 Apr. 2026
However, immigration court records show notices went to the wrong address and were returned as undeliverable.
—Aj Willingham, AJC.com, 16 Feb. 2026
See All Example Sentences for undeliverable
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Rachel Hale, USA Today, 11 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
My letter came back as undeliverable.
—Jeremy Kohler, ProPublica, 20 Apr. 2026
However, immigration court records show notices went to the wrong address and were returned as undeliverable.
—Aj Willingham, AJC.com, 16 Feb. 2026
See All Example Sentences for undeliverable
Cite this Entry
“Undeliverable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeliverable. Accessed 16 May. 2026.
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