mastiff.
One of an old breed of powerful, deep-chested, and smooth-coated dogs, used chiefly as watchdogs and guard dogs.
Meaning & usage
One of an old breed of powerful, deep-chested, and smooth-coated dogs, used chiefly as watchdogs and guard dogs.
Where this word comes from
From Middle English mastif, mastyf, an aberrant derivation (with influence from Old French mestif) from Old French mastin (modern French mâtin), from Vulgar Latin *mansuetinus (“tamed (animal)”), from Latin mansuetus (“tamed”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.