blocker: meaning, definition, pronunciation and examples
B2Neutral, with technical/specialist uses in sports, IT, business, medicine.
Quick answer
What does “blocker” mean?
A person or thing that prevents movement, progress, or passage.
Audio
Pronunciation
Definition
Meaning and Definition
A person or thing that prevents movement, progress, or passage; one that blocks.
In sports: a player who blocks an opponent. In computing: a program or device that prevents access to specific content. In business/finance: an obstacle to a deal or process. In healthcare: a drug that inhibits a biological process (e.g., beta-blocker).
Dialectal Variation
British vs American Usage
Differences
Minimal differences in core meaning. In sports like volleyball or American football, the term is used equivalently. The IT usage (ad/content blocker) is universal.
Connotations
Neutral-to-negative as an obstacle; positive in a protective context (sun blocker, ad blocker).
Frequency
Equally frequent in both varieties within technical domains. Slightly more common in US English in sports contexts like American football.
Grammar
How to Use “blocker” in a Sentence
[blocker] + [to] + [noun] (e.g., a blocker to progress)[adjective] + [blocker] (e.g., a formidable blocker)[blocker] + [of] + [noun] (e.g., a blocker of sunlight)Vocabulary
Collocations
Examples
Examples of “blocker” in a Sentence
noun
British English
- The new privacy settings act as an effective tracker blocker.
- He's the team's best blocker at the net.
American English
- I installed an ad blocker on my browser.
- The offensive tackle is a powerful run blocker.
Usage
Meaning in Context
Business
A key issue or person preventing a project from moving forward. 'Lack of budget approval is the main blocker.'
Academic
Used in medical literature (beta-blocker, calcium channel blocker) and in discussions of methodological obstacles.
Everyday
Referring to sun cream (sun blocker), software (ad blocker), or a sports player.
Technical
Specific to IT (firewall rules, content filters), pharmacology (receptor blockers), and sports science.
Vocabulary
Synonyms of “blocker”
Vocabulary
Antonyms of “blocker”
Watch out
Common Mistakes When Using “blocker”
- Using 'blocker' as a verb (correct: 'to block').
- Confusing 'sun blocker' (physical barrier) with 'sunscreen' (chemical absorption).
- Overusing in non-technical writing where 'obstacle' or 'problem' is more natural.
FAQ
Frequently Asked Questions
It is neutral but domain-specific. It is formal in medical/technical contexts (beta-blocker) but casual in everyday IT talk (ad blocker).
'Blocker' often implies a more direct, active, or defined agent preventing something. An 'obstacle' is a more general term for anything in the way.
Yes, when it protects from harm (sun blocker, ad blocker) or is a valued skill in sports (a great blocker in volleyball).
It's understandable but non-standard. The fixed phrase is 'writer's block'. Using 'blocker' here is a minor error.
A person or thing that prevents movement, progress, or passage.
Blocker: in British English it is pronounced /ˈblɒkə/, and in American English it is pronounced /ˈblɑːkər/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Writer's block(er) (though 'block' is more common)”
- “Roadblock (metaphor for a major blocker)”
Learning
Memory Aids
Mnemonic
Imagine a large BLOCK of concrete. A BLOCKER is anything that acts like that block, stopping you from getting past it.
Conceptual Metaphor
OBSTACLES ARE PHYSICAL BLOCKS. Progress is forward motion, and a blocker is a solid object in the path.
Practice
Quiz
In which context would 'blocker' MOST LIKELY refer to a medication?