monstrous

mon·strous
M3O1N1S1T1R1O1U1S1
UK/ˈmɒnstɹəs/Atlantic Canada, US/ˈmɑnstɹəs/Australia/ˈmɔnstɹəs/New Zealand[ˈmɔ̟nstɹəs]

adjective

Hideous or frightful.

“a monstrous height”

Less commonScrabble 11

Meanings

adjectivemonstrous (comparative more monstrous, superlative most monstrous)

comparative more monstrous · superlative most monstrous

  1. Hideous or frightful.

    So bad a death argues a monstrous life.

    c. 1596–1599 (date written), William Shakespeare, “The Second Part of Henry the Fourth, […]. Epilogue.”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene iii]
  2. Enormously large.

    a monstrous height

    3 more examples

    The chiding billovv ſeemes to pelt the cloudes, / The vvinde ſhak'd ſurge, vvith high and monſtrous mayne, / Seemes to caſt vvater, on the burning Beare, […]

    c. 1603–1604 (date written), William Shakespeare, The Tragœdy of Othello, the Moore of Venice. […] (First Quarto), London: […] N[icholas] O[kes] for Thomas Walkley, […], published 1622, →OCLC, [Act II, scene i], page 21

    Possibly monster pumpkins may become still more monstrous by the shoots being ringed, and so may other vegetables and fruits where quality is of less importance than mere size.

    1901 December 20, “The Ringing of Plants”, in The Agricultural Journal and Mining Record, volume 4, number 21, page 663

    Mr. Burns is similarly perfectly cast as a heartless capitalist willing to do anything for a quick buck, even if it means endangering the lives of those around him and Marge elegantly rounds out the main cast as a good, pure-hearted and overly indulgent woman who sees the big, good heart (literally and metaphorically) of a monstrous man-brute.

    2012 April 29, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in The A.V. Club, archived from the original on 15 Aug 2012
  3. Freakish or grotesque.

    The irregular and monstrous births

    1689 (indicated as 1690), [John Locke], chapter 3, in An Essay Concerning Humane Understanding. […], London: […] Eliz[abeth] Holt, for Thomas Basset, […], →OCLC
    1 more example

    He, therefore, that refuses to do good to them whom he is bound to love […] is unnatural and monstrous in his affections.

    1650, Jeremy Taylor, The rule and exercises of holy living
  4. Of, or relating to a mythical monster; full of monsters.

    Where thou, perhaps, under the whelming tide / Visitest the bottom of the monstrous world.

    1637 (date written; published 1638), John Milton, “Lycidas”, in Poems of Mr. John Milton, […], London: […] Ruth Raworth for Humphrey Mosely, […], published 1646, →OCLC
  5. obsoleteMarvellous; exceedingly strange; fantastical.

    The whole story was monstrous, and only worthy of the superstitious days in which it was written.

    1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC
  6. derogatoryoffensiveDisabled; crippled. (A severe slur used to describe persons with disabilities.)

Synonyms & antonyms

adjectiveabnormally large

Similar

adjectiveshockingly brutal or cruel

adjectivedistorted and unnatural in shape or size; abnormal and hideous

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinmōnstrōsus
  2. Old Frenchmonstrueuse
  3. Middle Englishmonstrous
  4. Englishmonstrous

From Middle English monstrous, from Old French monstrueuse, monstrüos, from Latin mōnstrōsus. Compare monstruous. By surface analysis, monster + -ous.

Full word history & related roots →

Translations

Ancient Greek ἄπλατος, πελώριος
  • ἄπλατος (áplatos)hideous or frightful
  • πελώριος (pelṓrios)hideous or frightful
  • πέλωρος (pélōros)enormously large
  • πελώριος (pelṓrios)freakish or grotesque
  • πελώριος (pelṓrios)of, or relating to a mythical monster
Bulgarian чудовищен, грамаден
  • чудовищен (čudovišten)hideous or frightful
  • грамаден (gramaden)enormously large
  • исполински (ispolinski)enormously large
  • уродлив (urodliv)freakish or grotesque
  • чудовищен (čudovišten)of, or relating to a mythical monster
Catalan monstruós, monstruós
  • monstruóshideous or frightful
  • monstruósenormously large
  • monstruósfreakish or grotesque
  • monstruósof, or relating to a mythical monster
Esperanto monstra
  • monstraof, or relating to a mythical monster
Finnish hirveä, hirvittävä
  • hirveähideous or frightful
  • hirvittävähideous or frightful
  • valtavaenormously large
  • suunnatonenormously large
  • groteskifreakish or grotesque
  • hirviö-of, or relating to a mythical monster
French monstrueux, monstrueux
  • monstrueuxhideous or frightful
  • monstrueuxenormously large
German ungeheuerlich, monströs
  • ungeheuerlichhideous or frightful
  • monströshideous or frightful
  • monströsenormously large
  • groteskfreakish or grotesque
  • monströsof, or relating to a mythical monster
  • monsterhaftof, or relating to a mythical monster
  • monsterartigof, or relating to a mythical monster
Greek τερατώδης, τεράστιος
  • τερατώδης (teratódis)hideous or frightful
  • τεράστιος (terástios)enormously large
  • τερατώδης (teratódis)freakish or grotesque
  • τερατόμορφος (teratómorfos)freakish or grotesque
  • θηριώδης (thiriódis)of, or relating to a mythical monster
Italian mostruoso, enorme
  • mostruosohideous or frightful
  • enormeenormously large
  • gigantescoenormously large
Lithuanian siaubingas, milžiniškas
  • siaubingashideous or frightful
  • milžiniškasenormously large
  • išsigimęsfreakish or grotesque
  • monstriškasof, or relating to a mythical monster
Polish monstrualny, monstrualny
  • monstrualnyhideous or frightful
  • monstrualnyenormously large
  • potwornyfreakish or grotesque
  • potwornyof, or relating to a mythical monster
Portuguese monstruoso, monstruoso
  • monstruosohideous or frightful
  • monstruosoenormously large
  • gigantescoenormously large
  • giganteenormously large
  • enormeenormously large
  • monstruosofreakish or grotesque
Romanian monstruos, hidos
  • monstruoshideous or frightful
  • hidoshideous or frightful
  • oribilhideous or frightful
  • monstruosenormously large
  • enormenormously large
  • colosalenormously large
  • cumplitfreakish or grotesque
  • atrocefreakish or grotesque
  • groaznicfreakish or grotesque
  • monstruosof, or relating to a mythical monster
Russian чудо́вищный, отврати́тельный
  • чудо́вищный (čudóviščnyj)hideous or frightful
  • отврати́тельный (otvratítelʹnyj)hideous or frightful
  • чудо́вищный (čudóviščnyj)enormously large
  • чудо́вищный (čudóviščnyj)of, or relating to a mythical monster
Spanish monstruoso, monstruoso
  • monstruosohideous or frightful
  • monstruosoenormously large
  • monstruosofreakish or grotesque
  • monstruosoof, or relating to a mythical monster
Swedish monstruös, vidunderlig
  • monstruöshideous or frightful
  • vidunderlighideous or frightful
  • ohygglighideous or frightful
  • groteskhideous or frightful
  • hisklighideous or frightful
  • enormenormously large
  • groteskfreakish or grotesque
  • vidunderligfreakish or grotesque
Cite this entry
APA

monstrous. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/monstrous

MLA

“monstrous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monstrous. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “monstrous,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/monstrous.

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