verb (used with or without object), down·vot·ed, down·vot·ing.
to cast a vote against (an online comment, article, etc.) by clicking on an arrow or other icon, usually affecting the post's rank or position on a website.
such an unfavorable vote.
Origin of downvote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019