mon·​strous | \ ˈmän(t)-strəs How to pronounce monstrous (audio) \

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

Fans reveled in the brief release from all that monstrous mall madness. Ashley Hoffman, Time, "Did This One Character Completely Alter the Stranger Things Season 3 Ending? People Seem Pretty Convinced," 5 July 2019 Down once and for all, severing the Mind Flayer from our world and killing its monstrous weapon in the process. Ariana Romero,, "Here's Who Definitely Died In The Stranger Things 3 Finale," 5 July 2019 The PO Dog, as its called, is a monstrous meal featuring a hot dog topped with mustard, crispy onions, pickle chips, Calabrian chiles and potato salad. Lauren Saria, azcentral, "2 years after a coma, this Phoenix chef is back and making the burgers of his dreams," 3 July 2019 Despite this monstrous offer, Kylian Mbappe may still be just - just - out of reach for Arsenal., "7 of the Most Unbelievably Ridiculous Transfer Bids Arsenal Could Make This Summer," 3 July 2019 Some of the Twins’ blasts have been monstrous, not mere looping fly balls that glanced off the tips of leaping left fielders’ gloves and over the fence. Joe Bissen, Twin Cities, "Miles and miles of Twins home runs — enough to reach the Capitol?," 8 June 2019 This is the final season, after all, so the hype is monstrous. Christopher Rosa, Glamour, "11 Celebrities Who Love Game of Thrones Just as Much as You," 27 Apr. 2019 The teaser trailer, released on Thursday, is definitely gnarly: a knight shrieks in agony as his mortal form is pulverized and a more monstrous one takes his place. Nick Romano,, "Baldur's Gate III officially announced with gruesome teaser trailer," 6 June 2019 Even our perceived heroes are monstrous and imperfect sometimes. Krista Stevens, Longreads, "Terese Marie Mailhot on the Personal Cost of Speaking Out Against Racism," 22 May 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

10 Jul 2019

Look-up Popularity

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 How to pronounce monstrous (audio) \

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).


to complain fretfully

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