[ bool-dawg, -dog ]
See synonyms for: bulldogbulldogged on Thesaurus.com

  1. one of an English breed of medium-sized, short-haired, muscular dogs with prominent, undershot jaws, usually having a white and tan or brindled coat, raised originally for bullbaiting.

  2. Informal. a stubbornly persistent person.

  1. a short-barreled revolver of large caliber.

  2. Metallurgy. slag from a puddling furnace.

  3. an assistant to the proctor at Oxford and Cambridge universities.

  1. like or characteristic of a bulldog or of a bulldog's jaws: bulldog obstinacy.

verb (used with object),bull·dogged, bull·dog·ging.
  1. to attack in the manner of a bulldog.

  2. Western U.S. to throw (a calf, steer, etc.) to the ground by seizing the horns and twisting the head.

Origin of bulldog

First recorded in 1490–1500; bull1 + dog

Other words from bulldog

  • bull·dog·ged·ness, noun
  • bulldogger, noun

Words Nearby bulldog

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use bulldog in a sentence

British Dictionary definitions for bulldog


/ (ˈbʊlˌdɒɡ) /

  1. a sturdy thickset breed of dog with an undershot jaw, short nose, broad head, and a muscular body

  2. (at Oxford University) an official who accompanies the proctors on ceremonial occasions

  1. commerce a fixed-interest bond issued in Britain by a foreign borrower

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012