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Synonyms

stupendous

American  
[stoo-pen-duhs, styoo-] / stuˈpɛn dəs, styu- /

adjective

  1. causing amazement; astounding; marvelous.

    stupendous news.

    Synonyms:
    extraordinary
  2. amazingly large or great; immense.

    a stupendous mass of information.

    Synonyms:
    prodigious, gigantic, vast, colossal

stupendous British  
/ stjuːˈpɛndəs /

adjective

  1. astounding, wonderful, huge, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • stupendously adverb
  • stupendousness noun

Etymology

Origin of stupendous

1965–70; < Latin stupendus, gerund of stupēre to be stunned; see -ous

Explanation

Stupendous means amazing or awesome. You just won a million dollars and are donating it to charity? That’s stupendous! While you might think of stupid as a mean word for someone who isn’t smart, it can also mean senseless or stunned. If something stuns you so much that you are amazed, it is stupendous. Think of a stupendous performance or stupendous scenery. When something is big enough to astound, also use this word. The tower rose to a stupendous height. It would take a stupendous effort to improve your D in history to an A!

Keep Reading on Vocabulary.com

Vocabulary lists containing stupendous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Take the stupendous performance of Apple’s stock during Cook’s tenure.

From MarketWatch • Apr. 21, 2026

The S&P 500 index, even with its recent wobbles, has returned a stupendous 273% over the past decade, or more than 14% a year.

From Barron's • Apr. 3, 2026

Investor confidence in his leadership was manifest; the share price closed on Nov. 1, 2021, at $407.36, when the company’s market value peaked at a stupendous $1.2 trillion.

From Los Angeles Times • Jun. 18, 2024

His stupendous vistas are overwhelming in that format.

From Seattle Times • May 20, 2024

The place wasn’t impressive enough to carry a stupendous fact like that.

From "Travels with Charley in Search of America" by John Steinbeck