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Synonyms

astonishing

American  
[uh-ston-i-shing] / əˈstɒn ɪ ʃɪŋ /

adjective

  1. causing astonishment or surprise; amazing.

    an astonishing victory; an astonishing remark.


astonishing British  
/ əˈstɒnɪʃɪŋ /

adjective

  1. causing great surprise or amazement; astounding

"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

Etymology

Origin of astonishing

First recorded in 1520–30; astonish + -ing 2

Explanation

Something astonishing is astounding, staggering, stupefying, amazing, or incredible. It's not something you see every day. This is a pretty strong word. A dog shaking hands is not astonishing, but a dog calling 911 for its owner definitely is. Astonishing things are amazing; they blow your mind. When people first walked on the moon, that was astonishing. Miracles are astonishing. If you say, "Holy cow! I can't believe what I'm seeing," you're probably seeing something astonishing.

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Vocabulary lists containing astonishing

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.

“The growth from Micron has been astonishing over the past 12 months,” Kerwin told MarketWatch.

From MarketWatch • Jun. 21, 2026

I think when you work on set, they’re astonishing.

From Los Angeles Times • Jun. 16, 2026

Even after the astonishing qualification-clinching victory against Denmark in November, there was a shift in mood following underwhelming displays in back-to-back friendly defeats against Japan and Ivory Coast.

From BBC • Jun. 10, 2026

In this Money Talks: Author and financial journalist Brendan Greeley tells Elizabeth Spiers about his new book, The Almighty Dollar—and the astonishing power this currency held long before the founding of the United States.

From Slate • Jun. 9, 2026

I’ve encountered people I find to be shallow and hypocritical and others—teachers and military spouses and so many more—whose spirits are so deep and strong it’s astonishing.

From "Becoming" by Michelle Obama

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