post·mark
ˈpōs(t)-ˌmärk 
: an official postal marking on a piece of mail
specifically
: a mark showing the post office and date of mailing
Examples of postmark in a Sentence
Verb
The package was postmarked 13 February.
Recent Examples on the Web
Virginia La Torre Jeker, Forbes.com, 18 Aug. 2025
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
Shelby Slade, AZCentral.com, 15 Aug. 2025
The claim can also be mailed and must be received or postmarked by the deadline date.
—Cheryl V. Jackson, IndyStar, 14 Aug. 2025
See All Example Sentences for postmark
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Noun
The tax code itself does not recognize foreign postmarks, but, fortunately, the IRS has had a long-standing policy on accepting official foreign postmarks for federal tax returns, refund claims, statements, or other documents.
—Virginia La Torre Jeker, Forbes.com, 18 Aug. 2025
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
Verb
The claim can also be mailed and must be received or postmarked by the deadline date.
—Shelby Slade, AZCentral.com, 15 Aug. 2025
The claim can also be mailed and must be received or postmarked by the deadline date.
—Cheryl V. Jackson, IndyStar, 14 Aug. 2025
See All Example Sentences for postmark
Cite this Entry
“Postmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postmark. Accessed 9 Sep. 2025.
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