Mail-in

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Something sent via mail.

    "I chose to do a mail-in instead of going to vote in person."

Adjective
  1. 1
    Sent via mail. not-comparable

    "In the critical swing states of Ohio and Florida, more than a fifth of voters chose the mail-in option 2010."

Example

More examples

"Mail-in ballots are still being counted in key battleground states."

Etymology

Deverbal from mail in.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.