message board
Americannoun
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a website or section of a website that is used for public discussion of a specific topic and on which users can submit or read messages.
You should post your questions on a parenting message board and get support from other parents.
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an online discussion group that is maintained on such a website.
To participate in the message board, you must be a registered user.
noun
Etymology
Origin of message board
First recorded in 1990–95
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.
The concept for the new horror movie “Backrooms” started with a single eerie photo of a fluorescent-lit room on the message board 4chan in 2019.
From The Wall Street Journal • May 31, 2026
The concept came about in 2019, when anonymous users on message board 4chan were asked to "post disquieting images that just feel 'off'."
From BBC • May 29, 2026
The issue of big people and small airplane seats has long been tabloid fodder and red meat for message board posters.
From Los Angeles Times • Feb. 3, 2026
Clicking on a message board can send you down a rabbit hole for hours.
From Salon • Nov. 26, 2025
In a matter of hours, the connection to the Tomb of Horrors D&D module was posted to every single gunter message board.
From "Ready Player One: A Novel" by Ernest Cline
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
