Standard Lemma guide

blocker

name · noun · 17 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈblɒkəː/
  • Received-Pronunciation: [ˈblɒkəː]
  • General-American: /ˈblɑkɚ/
  • General-American: [ˈblɑ̟kɚ] ~ [ˈblɑ̟kɹ̩]
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɒkə(ɹ)
  • CMU ARPABET: B L AA1 K ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A surname.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Agent noun of block (“obstruct or prevent”); something that blocks something else.

One who blocks or impedes the movement of an opponent.

Definition source: English Wiktionary via Wiktextract

Topics: hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A defensive or low-scoring batter.

Definition source: English Wiktionary via Wiktextract

Topics: ball-games, cricket, games, hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Agent noun of block (“obstruct or prevent”); something that blocks something else.

One who prevents another user from contacting them electronically.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Agent noun of block (“obstruct or prevent”); something that blocks something else.

An application or feature that stops or impedes something.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • an ad blocker
  • a content blocker

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A bug or issue that prevents software from being released.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: showstopper

Antonyms: none provided

7

noun

Meaning 7

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A gatekeeper who refuses the marketer access to the person they wish to contact.

Definition source: English Wiktionary via Wiktextract

Topics: business, marketing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Agent noun of block (“obstruct or prevent”); something that blocks something else.

Any of various medications that block (inhibit) the activity of a chemical messenger or its receptors, such as cardiac conduction modifiers (e.g., alpha-blockers, beta-blockers), gastric acid inhibitors (H2 histamine blockers), puberty blockers, and others.

Definition source: English Wiktionary via Wiktextract

Topics: biology, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: antagonist

Antonyms: none provided

9

noun

Meaning 9

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A close-fitting rectangular glove worn by a goalie in multiple forms of hockey.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A blocker bet.

Definition source: English Wiktionary via Wiktextract

Topics: card-games, poker

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

Agent noun of block (“obstruct or prevent”); something that blocks something else.

A playing card, needed by one player, that is held by another.

Definition source: English Wiktionary via Wiktextract

Topics: card-games, games

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

A person who roughly shapes a diamond.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

A person who blocks (stretches or moulds) or more generally makes knitted items, hats, books (or book covers), shoes, etc.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

A resident or member of a particular block.

Definition source: English Wiktionary via Wiktextract

Usage: in-compounds

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

Synonym of block ornament (“a cheap piece of meat of poor quality”).

Definition source: English Wiktionary via Wiktextract

Usage: Australia, UK, obsolete, slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: block ornament

Antonyms: none provided

16

noun

Meaning 16

a class of drugs that inhibit (block) some biological process

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: blocking agent

Antonyms: none provided

Broader terms: medicine, medication, medicament, medicinal drug

Narrower terms: alpha blocker, alpha-blocker, alpha-adrenergic blocker, alpha-adrenergic blocking agent, beta blocker, beta-blocking agent, beta-adrenergic blocker, beta-adrenergic blocking agent, labetalol, labetalol hydrochloride, Trandate, Normodyne, neuromuscular blocking agent

17

noun

Meaning 17

a football player whose responsibility is to block players attempting to stop an offensive play

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: football player, footballer

History

Etymology

From Middle English blocker, blokker, bloker, blokkere, equivalent to block + -er.

Across languages

Translations

11 source translations are retained for this English entry.

  • Galician: bloqueador — something or someone that blocks
  • Galician: bloqueadora — something or someone that blocks
  • Polish: bloker — something or someone that blocks
  • Portuguese: bloqueador — something or someone that blocks
  • Portuguese: bloqueadora — something or someone that blocks
  • Spanish: bloqueador — something or someone that blocks
  • Spanish: bloqueadora — something or someone that blocks
  • Galician: bloqueador — (computing) An application that stops unauthorised access to a programme
  • Māori: pūārai — (computing) An application that stops unauthorised access to a programme
  • Portuguese: bloqueador — (computing) An application that stops unauthorised access to a programme
  • Spanish: bloqueador — (computing) An application that stops unauthorised access to a programme
Real reading context

blocker in complete knowledge articles