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
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Noun
The envelope may also contain a postmark or other mailing information that can help document when the notice was sent and may be relevant to questions about the timing of a response period. — Karen Koehler, Kansas City Star, 8 Oct. 2026 Voters can also ensure that a postmark is applied to their carrier ballot by requesting a manual postmark at their post office. — Digital Producer, CBS News, 7 Oct. 2026
Verb
Moody has also filed a bill in the Senate to require that election officials receive mail ballots by the close of polls and end the practice in some states of counting late-arriving ballots as long as they are postmarked by Election Day. — Claire Heddles, Miami Herald, 7 Oct. 2026 Mail-in entries must be postmarked by the end of the Promotion Period and received no later than five (5) days later. — Allure, 2 Oct. 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 14 Oct. 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
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