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
But all ballots received after election day require a postmark showing they were sent on or before that date, and that any ballot with a postmark after election day would not count. Christina A. Cassidy, Los Angeles Times, 13 June 2025 The carrier envelope must have a postmark showing it was mailed by 7:00 p.m. Tuesday. Brandi D. Addison, Austin American-Statesman, 29 Oct. 2024
Verb
But ballots received after election day, in addition to being signed and dated by the voter, must be postmarked by the U.S. Postal Service indicating they were completed and dropped off on or before the final day of voting. Christina A. Cassidy, Los Angeles Times, 6 July 2025 New York City allows mail-in ballots postmarked by primary day to be counted, so some outstanding ballots may be added to the total in the coming weeks. Jared Gans, The Hill, 1 July 2025 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

Browse Nearby Words

Cite this Entry

“Postmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postmark. Accessed 21 Jul. 2025.

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

Last Updated: - Updated example sentences
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