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Definition of blocker

blocker

/ˈblɑːkɚ/
block · er
Plural:blockers
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blocker Lexical Profile

blocker Game Scores & Validity

• noun

1

A person or thing that obstructs, impedes, or prevents a process, action, or progress.

Example

"The engineering team resolved the critical software bug that was acting as a blocker for the product launch."

2

A pharmacological substance or agent that inhibits the physiological action of another substance, hormone, or receptor in the body.

Example

"The cardiologist prescribed a beta blocker to help regulate the patient's elevated blood pressure."

3

In sports such as American football or volleyball, a player whose primary role or action is to obstruct an opponent or deflect the ball.

Example

"The running back followed his lead blocker through a narrow gap in the defensive line."

Synonyms
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Antonyms
View all antonyms for blocker

• Rhymes for blocker

• Nearby Words

blockbuster
blockbusting
blockchain
blocker
blockhead
blockheaded
blocking

Cite this Entry

Wordmom. (2026). Definition of Blocker. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/blocker
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