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Definition of bullmastiff

bullmastiff

/ˈbʊlˌmæs.tɪf/
bull · mas · tiff
Plural:bullmastiffs
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bullmastiff Lexical Profile

bullmastiff Game Scores & Validity

• noun

1

A large, muscular breed of domestic working dog developed in 19th-century England by crossing the English mastiff with the bulldog, characterized by a short coat, a broad wrinkled muzzle, and a dark facial mask.

Example

"Despite its imposing size and history as an estate guard dog, our family bullmastiff is remarkably gentle and patient around the children."

• Nearby Words

bullish
bullishly
bullishness
bullmastiff
bullnecked
bullock
bulloo

Word Origin & Etymology

Coined in the late 19th century as a compound of 'bulldog' and 'mastiff', reflecting the two breeds crossed by English gamekeepers to create a silent, powerful dog capable of tracking and pinning down poachers.

Cite this Entry

Wordmom. (2026). Definition of Bullmastiff. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bullmastiff
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