message board

noun

1

: a board or sign on which messages or notices are displayed

an electronic message board

2

: a public electronic forum that allows users to post or read messages or to post or download files and that is accessed by computer over a network (such as the Internet)

Even as bullpen problems loom …, they haven't spawned the typical degree of urgency and panic on Internet message boards and sports radio shows.

—Bill Simmons

Examples of message board in a Sentence

Recent Examples on the Web

Matt Black and Ryan Polly direct the story of a demonic entity that stalks message board moderators. — Pat Saperstein, Variety, 17 Aug. 2026

Orland Park Mayor Jim Dodge said the village purchased additional equipment, including message boards for road closures and light towers to use during power outages at busy intersections, to be better prepared for severe weather events. — Olivia Stevens, Chicago Tribune, 13 Aug. 2026

First, the models used a bug in an internal OpenAI program to create their own message board. — Matteo Wong, The Atlantic, 12 Aug. 2026

During cybersecurity evaluations in May, its models used a covert message board to coordinate across runs, leaving later versions instructions for reaching the open internet. — Harry Booth, Time, 7 Aug. 2026

Word History

First Known Use

1795, in the meaning defined at sense 1

Rhymes for message board

• particleboard
• phonorecord
• underinsured
• abhorred
• aboard
• accord
• adored
• afford
• award
• baseboard
• billboard
• blackboard

Kids Definition

message board

noun

: bulletin board sense 2