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mail-in

American  
[mayl-in] / ˈmeɪlˌɪn /

adjective

  1. conducted or responding by mail.

    a mail-in referendum.


noun

  1. something conducted or returned by mail, as a questionnaire or vote.

Etymology

Origin of mail-in

adj., noun use of verb phrase mail in


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.

See Examples For:

Voting is already under way in California, where every active registered voter receives a mail-in ballot.

From The Wall Street Journal ● Oct. 15, 2026

Americans who got used to free and easy returns are now running into unexpected mail-in fees, shrinking return windows, more questions and new delays, Esther Fung writes for the Journal.

From The Wall Street Journal ● Sep. 9, 2026

The judge said in Thursday's ruling that "the record continues to lack any evidence regarding fraudulent absentee or mail-in voting".

From Barron's ● Aug. 28, 2026

Voters who use mail-in ballots — by far the most popular method of voting in California — would be required to write a four-digit number, essentially a PIN, on their ballot envelopes.

From Los Angeles Times ● Jul. 28, 2026

This includes assisting patients with mail-in ballots and making sure they have transportation to the polls or ballot drop-boxes.

From Salon ● Jul. 23, 2026

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