postmark
noun
an official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.
postmarked
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past participleof postmark.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof postmark.past tense
Used to describe completed actions or previous habitual actions.
postmarknounan official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In California, mail-in ballots postmarked by Election Day are legally counted as they arrive in the days following.
From Salon ● Jun. 11, 2026
This delayed overtaking of Pratt by Raman was largely expected, because California’s vote-by-mail system accepts ballots postmarked on or before Election Day and received within seven days of the election.
From Slate ● Jun. 11, 2026
Vote-by-mail ballots postmarked on or before election day and received within seven days after the election, as well as any provisional ballots cast, must still be counted, the California secretary of state said.
From BBC ● Jun. 4, 2026
Ballots postmarked on or before election day are accepted seven days after the election, so in extremely close races, it can take days just to receive all relevant ballots.
From Los Angeles Times ● Jun. 2, 2026
But the summer brought him a letter, with no return name or address, but postmarked from Chicago.
From "Go Tell It on the Mountain" by James Baldwin
