See more synonyms for write-in on Thesaurus.com
  1. a candidate or vote for a candidate not listed on the printed ballot but written onto it by the voter: Write-ins may swing the election.
  1. of, relating to, or for such a candidate or vote or a ballot so marked: a write-in campaign.

Origin of write-in

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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