postmark

1 of 2

noun

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

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

Noun

During the 2024 election, 28 million mail ballots were cast in the 14 states with postmark deadlines and grace periods, according to EAC. — Devin Dwyer, ABC News, 29 June 2026

This is especially true now that current law allows for absentee ballots without a postmark to be turned in up to three days after the election. — Susan Shelley, Oc Register, 17 June 2026

Verb

And so the disturbing part of the dissent in the mail ballot case was that this was about a very narrow issue, whether ballots that are postmarked by Election Day can be counted if they're received in some period after. — Tonya Mosley, NPR, 8 July 2026

California law allows cities to tabulate mail-in ballots received as long as seven days after the election, as long as they are postmarked by election day. — City News Service, Daily News, 8 July 2026

Word History

First Known Use

Noun

1678, in the meaning defined above

Verb

1716, in the meaning defined above

Rhymes for postmark

• ballpark
• benchmark
• birthmark
• daymark
• earmark
• embark
• hallmark
• landmark
• monarch
• remark
• skylark
• tetrarch

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