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
Kaitlyn Schallhorn, Mercury News, 27 May 2026
The postmark will be applied free of charge.
—David Knutson, Twin Cities, 13 Apr. 2026
Joe Brandt, CBS News, 26 May 2026
Mail-in ballots will be accepted if postmarked no later than June 2.
—Don Sweeney, Sacbee.com, 24 May 2026
See All Example Sentences for postmark
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Noun
If that’s the case, ballots with later postmarks would not be counted.
—Kaitlyn Schallhorn, Mercury News, 27 May 2026
The postmark will be applied free of charge.
—David Knutson, Twin Cities, 13 Apr. 2026
Verb
To return your mail-in ballot, make sure it's postmarked by Election Day and received by your county's Board of Elections on or before the sixth day after polls close.
—Joe Brandt, CBS News, 26 May 2026
Mail-in ballots will be accepted if postmarked no later than June 2.
—Don Sweeney, Sacbee.com, 24 May 2026
See All Example Sentences for postmark
Cite this Entry
“Postmark.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postmark. Accessed 1 Jun. 2026.
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