commenter

noun

com·​ment·​er ˈkä-ˌmen-tər 

variants or less commonly commentor

plural commenters also commentors

: one who comments

especially : one who leaves a comment on an Internet site, story, page, etc.

… every blogger and commenter and self-anointed pundit, could outperform any robot writer at a fraction of the cost.

—Paul Di Filippo

Many websites which allow users to leave comments … use a system called Captcha to check that the commenter is not a computer programme (or 'bot') leaving spam comments.

—Nick Poyntz

Examples of commenter in a Sentence

Recent Examples on the Web

The city posted Hoyt's letter on Facebook, and several commenters expressed support for the outgoing mayor, including Farmington Police Chief Nate Siem. —Anthony Bettin, CBS News, 5 Feb. 2026

Some commenters on social media rose to Olive Oil Candidate’s defense, saying such an interest might be unconventional but a person shouldn’t be penalized for sharing it. —Sarah Jackson, CNBC, 4 Feb. 2026

The video quickly gained traction, with commenters chiming in with jokes of their own. —Ashley Vega, PEOPLE, 4 Feb. 2026

The moment the poster went live on Instagram, commenters rushed in to post that one GIF of Spider-Man fighting Batman (for Zendaya). —Elizabeth Logan, Glamour, 3 Feb. 2026

Word History

First Known Use

14th century, in the meaning defined above