noun

blocker

BLO-kuh

noun

Someone or something that obstructs or prevents progress.

"The missing signature was the last blocker before launch."

A player whose role is to physically obstruct an opponent.

"The blocker cleared a path for the running back."

An app or tool that prevents unwanted content, such as an ad blocker.

"She installed a blocker to stop pop-up ads."

How to Use Blocker

Learner’s notes

In plain EnglishSomething or someone that stops progress, whether in sport, software, or a project.

Common pairings

ad blocker a blocker to progress offensive blocker

blockers plural, blockers plural, Blockers plural

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The missing signature was the last _____ before launch.

Formed from block plus the agent suffix -er.

locker rocker cocker docker knocker shocker crocker footlocker