bull mastiff

British

noun

a large powerful breed of dog with a short usually fawn or brindle coat, developed by crossing the bulldog with the mastiff

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He had adopted a bull mastiff puppy named Nala.

From Los Angeles Times • Aug. 3, 2025

“You want your judge to see your dog. If they remember an outfit, they’ll focus on your dog hopefully,” said Jacqueline Royce, who owns and handles a bull mastiff named Anna Banana.

From Reuters • Feb. 11, 2020

Recently the gregarious sheriff brought the Guardian into the section 35 wing, walking in with a five-month-old bull mastiff puppy named Brooklyn.

From The Guardian • Apr. 23, 2019

Islanders forward Josh Bailey, who has a newborn son and a 5-year-old bull mastiff, is grateful for life on Long Island.

From New York Times • Nov. 25, 2016

Jessica, John’s fifteen-year-old daughter from his first marriage, came out of the house, along with Brian and his eight- year-old daughter, Veronica, and their bull mastiff, Charlie.

From "The Glass Castle" by Jeannette Walls

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023