mon·strous | \ˈmän(t)-strəs \

Definition of monstrous 

(Entry 1 of 2)

1 obsolete : strange, unnatural

2 : having extraordinary often overwhelming size : gigantic stuffing a monstrous sandwich down his throat— Mike Flaherty a monstrous skyscraper

3a : having the qualities or appearance of a monster came face to face with a monstrous creature— Lester David

b obsolete : teeming with monsters

4a : extraordinarily ugly or vicious : horrible a monstrous crime monstrous mayhem

b : shockingly wrong or ridiculous the legend assumed monstrous proportions— Louis Untermeyer a monstrous miscalculation

5 : deviating greatly from the natural form or character : abnormal a monstrous melon

6 : very great used as an intensive a monstrous hammering on his door— G. D. Browna monstrous hangover



Definition of monstrous (Entry 2 of 2)

chiefly dialectal

: very, extremely a monstrous long raft— Mark Twain

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Other Words from monstrous


monstrously adverb
monstrousness noun

Choose the Right Synonym for monstrous


monstrous, prodigious, tremendous, stupendous mean extremely impressive. monstrous implies a departure from the normal (as in size, form, or character) and often carries suggestions of deformity, ugliness, or fabulousness. the monstrous waste of the project prodigious suggests a marvelousness exceeding belief, usually in something felt as going far beyond a previous maximum (as of goodness, greatness, intensity, or size). made a prodigious effort and rolled the stone aside tremendous may imply a power to terrify or inspire awe. the tremendous roar of the cataract stupendous implies a power to stun or astound, usually because of size, numbers, complexity, or greatness beyond description. a stupendous volcanic eruption

Examples of monstrous in a Sentence


It was monstrous of him to keep the truth from them all those years. a monstrous melon that was clearly not fit to eat


a monstrous pretty gal, she was
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Recent Examples on the Web: Adjective

In Bishopp’s film, a young girl gets power in a monstrous turn of events, becoming an unlikely source of fear in the creepy house. Brandon Yu,, "‘Snaggletooth’ fits right into Westerfeld House’s horror heritage in SF," 3 July 2018 An Elite Eight game vs. UK or AZ would be monstrous. Paul Daugherty,, "Doc: In NCAA Basketball Tournament, landmines abound for Xavier; UC has the easier path," 12 Mar. 2018 The new muscle car model features a motor that summons a few elements from the 808 hp Demon’s 6.2-liter supercharged V8 in an effort to outdo the original Hellcat’s 707 hp with a monstrous 797 hp. Fox News, "2019 Dodge Challenger SRT Hellcat Redeye unveiled with demonic 797 hp," 28 June 2018 But the main event of the night will have Pastrana attempt to jump 140-feet over the Caesar’s Palace Fountain, a stunt that Knievel never tried again after the monstrous wipeout that cemented his national stardom. Jason Duaine Hahn,, "Stuntman Travis Pastrana Will Attempt Evel Knievel’s Most Death-Defying Feats on Live TV This Weekend," 6 July 2018 Give us messy, give us miserable, give us monstrous. Andrea Mandell, USA TODAY, "Why calling women 'strong female leads' is degrading," 2 July 2018 The 20-year-old has suffered an indifferent campaign since his monstrous £135m move to the Camp Nou from Borussia Dortmund in the summer., "Ousmane Dembele 'Hints' at London Move Despite Ernesto Valverde Insisting His Future Is at Barcelona," 16 Mar. 2018 While the perception of interior pass-rushing value can change, Oliver is monstrous and can impact a game from five positions. Conor Orr,, "An NFL Fan’s Viewing Guide to the 2019 College Football Season," 13 July 2018 The striking film stars Chloë Sevigny as Borden, a young woman stuck in a stifling home with a monstrous family and a bleak future. Adam Rathe, Town & Country, "The Original Preppy Murder: Chloë Sevigny Takes the Lead in Her New Film About Lizzie Borden," 27 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monstrous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of monstrous


15th century, in the meaning defined at sense 1


1569, in the meaning defined above

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Statistics for monstrous

Last Updated

2 Oct 2018

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Time Traveler for monstrous

The first known use of monstrous was in the 15th century

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More Definitions for monstrous



English Language Learners Definition of monstrous

: extremely or unusually large

: very wrong or unfair

: very ugly, cruel, or vicious


mon·strous | \ˈmän-strəs \

Kids Definition of monstrous

1 : unusually large : enormous He has a monstrous appetite.

2 : very bad or wrong a monstrous injustice

3 : having the qualities or appearance of a monster The monstrous creature approached.

Other Words from monstrous

monstrously adverb

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Comments on monstrous

What made you want to look up monstrous? Please tell us where you read or heard it (including the quote, if possible).


one that holds something together

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