mastiff: meaning, definition, pronunciation and examples
C1formal, descriptive
Quick answer
What does “mastiff” mean?
A large, powerful breed of dog with a heavy build, a broad head, and a short coat, originally bred for guarding and protection.
Audio
Pronunciation
Definition
Meaning and Definition
A large, powerful breed of dog with a heavy build, a broad head, and a short coat, originally bred for guarding and protection.
By extension, any person or thing characterized by great size, strength, or protective instinct.
Dialectal Variation
British vs American Usage
Differences
The term is used identically in both varieties to refer to the dog breed. The UK has a stronger historical association with specific Mastiff breeds like the Old English Mastiff.
Connotations
Connotes size, strength, loyalty, and a protective, sometimes intimidating, presence.
Frequency
Low frequency in general discourse, but standard within dog breeding, showing, and enthusiast contexts.
Grammar
How to Use “mastiff” in a Sentence
The [adjective] mastiff [verb]A mastiff of [origin/nature]Vocabulary
Collocations
Examples
Examples of “mastiff” in a Sentence
adjective
British English
- He had a mastiff-like determination.
American English
- She possessed a mastiff-like loyalty to her team.
Usage
Meaning in Context
Business
Rare. Possibly in security company branding.
Academic
Used in historical, zoological, or canine genetics texts.
Everyday
Used when discussing dog breeds or describing a very large, protective dog.
Technical
Standard term in cynology (the study of dogs) and veterinary medicine for the breed group.
Watch out
Common Mistakes When Using “mastiff”
- Misspelling as 'massiff' or 'mastif'.
- Using as a general synonym for any large dog (e.g., a Great Dane is not a mastiff).
- Pronouncing the final 'f' as 'v'.
FAQ
Frequently Asked Questions
Properly bred and socialized mastiffs are not inherently aggressive; they are typically calm, courageous, and protective, making them loyal guardians rather than attack dogs.
While both are large, Mastiffs belong to the 'Molosser' breed type, characterized by massive size and heads. Bully breeds (like American Bulldogs, Staffordshire Terriers) are generally more muscular, agile, and terrier-influenced.
It is both. 'Mastiff' often specifically refers to the Old English Mastiff. However, it also categorizes a group of related large, powerful breeds including the Bullmastiff, Tibetan Mastiff, and Neapolitan Mastiff.
Their naturally patient, gentle, and protective temperament, combined with a strong loyalty to their family unit, makes them tolerant and watchful companions for children, though supervision is always advised due to their size.
A large, powerful breed of dog with a heavy build, a broad head, and a short coat, originally bred for guarding and protection.
Mastiff is usually formal, descriptive in register.
Mastiff: in British English it is pronounced /ˈmæstɪf/, and in American English it is pronounced /ˈmæstəf/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Mastiff-hearted (archaic: courageous, steadfast)”
Learning
Memory Aids
Mnemonic
Think of 'mass' + 'stiff' – a massive, stiff-postured dog standing guard.
Conceptual Metaphor
A LIVING FORTRESS; A GENTLE GIANT (when referring to its typical temperament with family).
Practice
Quiz
Which phrase best describes the primary historical function of mastiffs?