mastiff

M3A1S1T1I1F4F4
US, UK/ˈmæstɪf/

noun

One of an old breed of powerful, deep-chested, and smooth-coated dogs, used chiefly as watchdogs and guard dogs.

Less commonScrabble 15

Meanings

mastiff1

nounmastiff (plural mastiffs or (archaic) mastives)

plural mastiffs · archaic plural mastives · alternative Mastiff

  1. One of an old breed of powerful, deep-chested, and smooth-coated dogs, used chiefly as watchdogs and guard dogs.

    Soon as Ulyſſes near th’encloſure drew, / With open mouths the furious maſtives flew: […]

    1725, Homer, “Book XIV”, in [Alexander Pope], transl., The Odyssey of Homer. […], volume III, London: […] Bernard Lintot, →OCLC, page 233
    5 more examples

    At which time, they wryte that Demoſthenes told the people of Athens, the fable of the ſheepe and woulues, how that the woulues came on a time, and willed the ſheepe, if they woulde haue peace with them, to deliuer them their maſtiues that kept them.

    1579, Plutarke of Chæronea [i.e., Plutarch], “The Life of Demosthenes”, in Thomas North, transl., The Lives of the Noble Grecians and Romaines, […], London: […] Richard Field, →OCLC, page 908

    As ſaluage Bull, whom two fierce maſtiues bayt, / When rancour doth with rage him once engore, / Forgets with wary warde them to awayt, / But with his dreadfull hornes them driues afore, / Or flings aloft or treades downe in the flore, / Breathing out wrath, and bellowing diſdaine, / That all the foreſt quakes to heare him rore: […]

    1590, Edmund Spenser, “Book II, Canto VIII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC, page 302

    They fill’d the Capitoll, and Pompei’s Circke: / Where, like ſo many Maſtiues, biting ſtones, / As if his Statues novv vvere ſenſitiue / Of their vvild fury, firſt they teare them dovvne: / Then faſtning ropes, drag them along the ſtreetes, […]

    1603 (first performance), Ben[jamin] Jonson, Seianus His Fall, London: […] G[eorge] Elld, for Thomas Thorpe, published 1605, →OCLC, Act V, signature [M4], verso

    Avaunt, you curs! Be thy mouth or black or white, Tooth that poisons if it bite; Mastiff, greyhound, mongrel grim, Hound or spaniel, brach or him.

    c. 1603–1606, William Shakespeare, “The Tragedie of King Lear”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene vi]

    The conquering foe they soon assail’d; / First Trulla stav’d, and Cerdon tail’d, / Until their Mastives loos’d their hold: / And yet alas! do what they could, / The worsted Bear came off with store / Of bloudy wounds, but all before.

    1662 (indicated as 1663), [Samuel Butler], “[The First Part of Hudibras]. Canto III.”, in Hudibras. The First and Second Parts. […], London: […] John Martyn and Henry Herringman, […], published 1678, →OCLC; republished in A[lfred] R[ayney] Waller, editor, Hudibras: Written in the Time of the Late Wars, Cambridge, Cambridgeshire: University Press, 1905, →OCLC, page 63

Mastiff2

nounMastiff (plural Mastiffs)

plural Mastiffs

  1. Alternative letter-case form of mastiff.

Origin

  1. Latinmansuetus“tamed”
  2. Vulgar Latin*mansuetinus“tamed (animal)”
  3. Old Frenchmastin
  4. Middle Englishmastif
  5. Englishmastiff

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”).

Full word history & related roots →

Translations

Afrikaans waghond, slagtershond
  • waghondpowerful, deep-chested, and smooth-coated dog
  • slagtershondpowerful, deep-chested, and smooth-coated dog
  • kettinghondpowerful, deep-chested, and smooth-coated dog
Arabic دِرْوَاس
  • دِرْوَاس (dirwās)powerful, deep-chested, and smooth-coated dog
Bulgarian английски дог
  • английски дог (anglijski dog)powerful, deep-chested, and smooth-coated dog
Catalan mastí
  • mastípowerful, deep-chested, and smooth-coated dog
Chinese Mandarin 獒
  • 獒 (áo)powerful, deep-chested, and smooth-coated dog
Czech doga
  • dogapowerful, deep-chested, and smooth-coated dog
Dutch mastiff
  • mastiffpowerful, deep-chested, and smooth-coated dog
Esperanto dogo
  • dogopowerful, deep-chested, and smooth-coated dog
Finnish mastiffi
  • mastiffipowerful, deep-chested, and smooth-coated dog
French dogue
  • doguepowerful, deep-chested, and smooth-coated dog
German Dogge
  • Doggepowerful, deep-chested, and smooth-coated dog
Hebrew מסטיף
  • מסטיף (mastiff)powerful, deep-chested, and smooth-coated dog
Hungarian masztiff
  • masztiffpowerful, deep-chested, and smooth-coated dog
Irish maistín
  • maistínpowerful, deep-chested, and smooth-coated dog
Italian mastino
  • mastinopowerful, deep-chested, and smooth-coated dog
Japanese マスチフ, マスティフ
  • マスチフ (masuchifu)powerful, deep-chested, and smooth-coated dog
  • マスティフ (masutifu)powerful, deep-chested, and smooth-coated dog
Latin canis villaticus, canis Anglicus
  • canis villaticuspowerful, deep-chested, and smooth-coated dog
  • canis Anglicuspowerful, deep-chested, and smooth-coated dog
Lithuanian mastifas
  • mastifaspowerful, deep-chested, and smooth-coated dog
Malay anjing mastif
  • anjing mastifpowerful, deep-chested, and smooth-coated dog
Polish mastif
  • mastifpowerful, deep-chested, and smooth-coated dog
Portuguese mastim, dogue
  • mastimpowerful, deep-chested, and smooth-coated dog
  • doguepowerful, deep-chested, and smooth-coated dog
Romanian mastif
  • mastifpowerful, deep-chested, and smooth-coated dog
Russian дог
  • дог (dog)powerful, deep-chested, and smooth-coated dog
Spanish mastín, alano
  • mastínpowerful, deep-chested, and smooth-coated dog
  • alanopowerful, deep-chested, and smooth-coated dog
  • dogopowerful, deep-chested, and smooth-coated dog
Turkish mastif
  • mastifpowerful, deep-chested, and smooth-coated dog
Welsh mastiff
  • mastiffpowerful, deep-chested, and smooth-coated dog
Cite this entry
APA

mastiff. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mastiff

MLA

“mastiff.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mastiff. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mastiff,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mastiff.

Source: mastiff on Wiktionary, CC BY-SA 4.0.