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

Definition of monstrous

 (Entry 1 of 2)

1 : having extraordinary often overwhelming size : gigantic stuffing a monstrous sandwich down his throat— Mike Flaherty a monstrous skyscraper
2a : 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
3 : deviating greatly from the natural form or character : abnormal a monstrous melon
4 : very great used as an intensivea monstrous hammering on his door— G. D. Browna monstrous hangover
5a : having the qualities or appearance of a monster came face to face with a monstrous creature— Lester David
b obsolete : teeming with monsters
6 obsolete : strange, unnatural



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

Adjective It was monstrous of him to keep the truth from them all those years. a monstrous melon that was clearly not fit to eat Adverb a monstrous pretty gal, she was
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Recent Examples on the Web: Adjective This monstrous aircraft would be like the An-124, but on steroids. Anatoly Zak, Popular Mechanics, "Why the An-225 Mriya Is Such a Badass Plane," 28 Apr. 2020 Unlike those cars, however, this two-plus-two coupe is motivated by a monstrous powerplant, a twin-turbocharged V-8 that displaces 3.8 liters. Car and Driver, "How We'd Spec It: 2020 Ferrari Roma," 25 Apr. 2020 This Seagate version, with a monstrous 6TB capacity is one such drive. Popular Science, "External hard drives to store and secure your files," 22 Apr. 2020 How does one account for Ed Pinckney and the Wildcats, going up against a monstrous defensive force and shooting 78.6 percent from the field (22 for 28)? Dallas News, "SportsDay staffers pick the best games they’ve ever covered: Seven overtimes, #txhsfb drama and upsets for the ages," 20 Apr. 2020 Though many yokai do indeed appear ghostly or monstrous, not all are malicious; some are simply mischievous or even beneficial to have around. Matt Alt, The New Yorker, "From Japan, a Mascot for the Pandemic," 9 Apr. 2020 Above him on the screen, he's shown shoving a monstrous dunk over the Denver Nuggets last month. Dana Hunsinger Benbow, Indianapolis Star, "Hanging with the game's best, Domantas Sabonis takes his place at first NBA All-Star Game," 15 Feb. 2020 Or see a different perspective of that monstrous Giannis Antetokounmpo dunk. Washington Post, "NBA teams enhancing fan experience with high-tech replays," 15 Nov. 2019 Andrew Jones grabbed the second swat and found Jase Febres in transition, who threw down a monstrous dunk to give Texas a 37-29 advantage. Alex Briseno, Dallas News, "Texas outshoots Oklahoma State as Big 12 gauntlet looms," 15 Jan. 2020

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 6


1569, in the meaning defined above

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Time Traveler for monstrous

Time Traveler

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

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Statistics for monstrous

Last Updated

14 May 2020

Cite this Entry

“Monstrous.” Dictionary, Merriam-Webster, Accessed 27 May. 2020.

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More Definitions for monstrous


How to pronounce monstrous (audio)

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

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