mail-in

American  

[meyl-in] / ˈmeɪlˌɪn /

adjective

1. conducted or responding by mail.

   a mail-in referendum.

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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

August won that riding by a single vote in the last election before the results were tossed by the Supreme Court earlier this year over a clerical error on a mail-in ballot.

From BBC • Apr. 13, 2026

Fourteen US states allow mail-in ballots to be tallied after the date of the election if they bear a postmark by Election Day.

From Barron's • Mar. 23, 2026

Tom Malinowski, a relative moderate who previously served two terms in Congress, was the heavy favorite and led in the early and mail-in voting.

From The Wall Street Journal • Feb. 6, 2026

Los Angeles residents alone have cast more than 788,000 mail-in ballots.

From Los Angeles Times • Nov. 4, 2025

This mail-in service will send them temporary knives while they sharpen theirs.

From Salon • Dec. 17, 2024