blocker

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

Noun hobbies, lifestyle

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

    1. (sports) One who blocks or impedes the movement of an opponent.

    2. (cricket) A defensive or low-scoring batter.

    3. (computing) One who prevents another user from contacting them electronically.

      • Likewise, any connections shared between your child (the blocker) and the user being blocked will also be broken. - 2013, Elizabeth Laugeson, The Science of Making Friends:

    4. (computing) An application or feature that stops or impedes something.

      • an ad blocker
      • a content blocker

    5. (computing) A bug or issue that prevents software from being released.

      Synonyms: showstopper

    6. (marketing) A gatekeeper who refuses the marketer access to the person they wish to contact.

      • Sometimes your sales progress skids to a halt. We've all met more blockers than we'd care to. Some are assigned by the company to filter services […] - 1992, Joan Guiducci, Joan Guiducci's power calling, page 49:

    7. (biology, medicine) 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.

      • Blockers can optimize the development of preferred physical characteristics. In trans girls, blockers initiated prior to the development of male secondary sex characteristics will effectively prevent voice deepening,...

      Synonyms: antagonist

      Coordinate Terms: agonist

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

    9. (poker) A blocker bet.

    10. (card games) A playing card, needed by one player, that is held by another.

  2. A person who roughly shapes a diamond.
  3. A person who blocks (stretches or moulds) or more generally makes knitted items, hats, books (or book covers), shoes, etc.
    • Because in 1937 Benjamin is still an apprentice, he remains bound to the Eastern Finland Hat Factory. […] Benjamin now does much of the same work as the master cutters and blockers and enjoys their grudging approval of...
  4. A resident or member of a particular block.
    • For some inexplicable reason, remote controls are allowed only on D block (the drug-free block). Result? D blockers trade their remotes for drugs. Prison logic. - 2003, Jeffrey Archer, A Prison Diary Volume II:...

Origin

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

Forms

blockers

Synonyms

antagonist receptor antagonist

Related

blockade blockage

Derived

adblocker alpha-blocker angiotensin receptor blocker antiblocker bed blocker beta blocker calcium channel blocker chump blocker cockblocker data blocker ganglioblocker gawker blocker nonblocker photoblocker popup blocker puberty blocker sunblocker USB blocker USB data blocker write blocker β-blocker

Noun Australia, UK

  1. Synonym of block ornament (“a cheap piece of meat of poor quality”).
    • Forced to substitute a ‘blocker’ of meat, with its cheap accompaniment of bread and vegetables..for poultry and rump-steaks. - 1848 April 5, Fraser's Magazine, volume 396, number 2:

    Synonyms: block ornament

Forms

blockers