bullmastiff

American  

[bool-mas-tif, -mah-stif] / ˈbʊlˈmæs tɪf, -ˈmɑ stɪf /

Or bull-mastiff,

noun

1. one of an English breed of dogs having a short, fawn or brindled coat, produced by crossing the bulldog and the mastiff.

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Etymology

Origin of bullmastiff

First recorded in 1870–75; bull(dog) + mastiff

Compare meaning

How does bullmastiff compare to similar and commonly confused words? Explore the most common comparisons:

• mastiff vs. bullmastiff

Example Sentences

Some large guardian dogs showed high wolf ancestry, while others, including the Neapolitan mastiff, bullmastiff, and St. Bernard, showed none.

From Science Daily • Nov. 29, 2025

Sally, who is 70, and describes herself as “the world’s oldest waitress”, found the community four years ago after her previous bullmastiff, Happy Hannah, lost a leg to osteosarcoma.

From The Guardian • Jul. 1, 2017

We are sitting at a picnic table, and every so often, Merry Myrtle, her 125lb bullmastiff, hauls herself up in between us.

From The Guardian • Jul. 1, 2017

Should a bullmastiff be allowed to roam below the tiny seats and tables of a french cafe?

From The Guardian • May 15, 2015

Every episode, they’d listen to their assignment, always delivered by Top Dog himself—a five-star, 130-pound bullmastiff military commander who worked for some very important humans in Washington, DC—and then plot their preparations.

From "Dog Squad" by Chris Grabenstein