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
Angela Rodriguez, Sacbee.com, 28 Oct. 2025
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
Lucas Robinson, San Diego Union-Tribune, 25 Oct. 2025
Instead, it could be postmarked the day after — too late for the ballot to count.
—Kaitlyn Schallhorn, Oc Register, 24 Oct. 2025
See All Example Sentences for postmark
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Noun
Bonta said a postmark will ensure your ballot is counted on time.
—Angela Rodriguez, Sacbee.com, 28 Oct. 2025
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
Verb
In a call with reporters Tuesday, Secretary of State Shirley Weber urged voters to postmark mail-in ballots prior to that day, due to slow processing times at the United States Postal Service.
—Lucas Robinson, San Diego Union-Tribune, 25 Oct. 2025
Instead, it could be postmarked the day after — too late for the ballot to count.
—Kaitlyn Schallhorn, Oc Register, 24 Oct. 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 4 Nov. 2025.
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