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.
were postmarking
-
past progressiveof postmark.past progressive
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
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.
Also, at five of nine mail processing facilities studied, retail clerks who were postmarking ballots by hand sometimes used stamps with inaccurate dates, according to the report.
From Salon ● Sep. 11, 2026
