postmark

1 of 2

noun

post·​mark ˈpōs(t)-ˌmärk How to pronounce postmark (audio)
: an official postal marking on a piece of mail
specifically : a mark showing the post office and date of mailing

postmark

2 of 2

verb

postmarked; postmarking; postmarks

transitive verb

: to put a postmark on

Examples of postmark in a Sentence

Verb The package was postmarked 13 February.
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.
Noun
The postmark will be applied free of charge. — David Knutson, Twin Cities, 13 Apr. 2026 To avoid penalties and interest, ask for a manual postmark, buy postage at the counter or purchase a certificate of mailing. — Danielle Chemtob, Forbes.com, 15 Apr. 2026
Verb
Trump has argued for an end to the grace periods that many states allow for mail-in ballots postmarked by Election Day. — Maureen Groppe, USA Today, 29 June 2026 The ruling upholds Illinois law, which allows mail-in ballots postmarked — or personally attested to — by Election Day to be counted up to two weeks afterward. — Rick Pearson, Chicago Tribune, 29 June 2026 See All Example Sentences for postmark

Word History

First Known Use

Noun

1678, in the meaning defined above

Verb

1716, in the meaning defined above

Time Traveler
The first known use of postmark was in 1678

Rhymes for postmark

See All Rhymes for postmark

Browse Nearby Words

postmarital
postmark
postmark ad
See all Nearby Words

Cite this Entry

“Postmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postmark. Accessed 7 Jul. 2026.

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Kids Definition

postmark

noun
post·​mark
-ˌmärk
: a mark canceling the postage stamp on a piece of mail and giving the date and place of sending
postmark verb

More from Merriam-Webster on postmark

Nglish: Translation of postmark for Spanish Speakers

Last Updated: - Updated example sentences
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