stu·​pen·​dous stu̇-ˈpen-dəs How to pronounce stupendous (audio)
: causing astonishment or wonder : awesome, marvelous
: of amazing size or greatness : tremendous
stupendously adverb
stupendousness noun
Choose the Right Synonym for stupendous

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 stupendous in a Sentence

a person with stupendous wealth the stupendous engineering feats achieved by the ancient Romans
Recent Examples on the Web The United States, however, has lost its capacity for self-government through stupendous intellectual indolence and the exaltation of puerilities, like Tayor Swift or Tom Brady, over thinkers like Socrates, Plato, Aristotle, Marcus Aurelius, and Montaigne. Armstrong Williams, Baltimore Sun, 23 June 2024 Like many of the characters blundering through Nag Ashwin’s stupendous Telugu-language epic, the valiant Ashwarthama lacks a moral framework. Stephanie Bunbury, Deadline, 1 July 2024 This requires a stupendous amount of energy: A ChatGPT query, for example, uses 10 times more energy than a standard Google query. Andrew R. Chow, TIME, 28 June 2024 But no one has paid a political price for this stupendous, criminal blunder that returned a second edition of the Taliban grislier than the first. Armstrong Williams, Baltimore Sun, 17 Mar. 2024 See all Example Sentences for stupendous 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'stupendous.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin stupendus, gerundive of stupēre

First Known Use

1618, in the meaning defined at sense 1

Time Traveler
The first known use of stupendous was in 1618

Dictionary Entries Near stupendous

Cite this Entry

“Stupendous.” Dictionary, Merriam-Webster, Accessed 23 Jul. 2024.

Kids Definition


stu·​pen·​dous st(y)u̇-ˈpen-dəs How to pronounce stupendous (audio)
: amazing especially because of great size or height
stupendous gorges
stupendously adverb
stupendousness noun

More from Merriam-Webster on stupendous

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