Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mastiff”

mastiff

noun [C]     /ˈmæs.tɪf/
a large, strong dog with short hairCanines (dogs)
(Definition of mastiff noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of mastiff

Browse related topics

You are looking at an entry to do with Canines (dogs), but you might be interested in these topics from the Mammals topic area:

Word of the Day

touch

an ability to do things in the stated, especially positive, way

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More