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

The postcard itself was dated July 2000, but the actual postmark was from earlier this month. — Rachel Raposas, PEOPLE, 13 Aug. 2026

Absentee ballot postmarks essentially don't matter in Wisconsin. — Hope Karnopp, jsonline.com, 11 Aug. 2026

Verb

The state accepts absentee and overseas ballots up to 10 days after the primary as long as they were postmarked by Election Day. — CBS News, 26 Aug. 2026

The state accepts absentee and overseas ballots up to 10 days after the primary as long as they were postmarked by election day. — ABC News, 26 Aug. 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