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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

Derived 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.

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

At the start of the 20th century, Southern California was home to an astonishing number of military academies designed to turn boys into officers and gentlemen.

From Los Angeles Times • Jun. 6, 2026

Robinson had been ignored since 2024, including on the dismal tour of Australia, but showed England what they have been missing on an astonishing day when 16 wickets fell at Lord's.

From BBC • Jun. 4, 2026

That gives Continental defense contractors a ringside seat to the astonishing innovation that has enabled Ukraine to survive.

From Barron's • Jun. 4, 2026

In September 1832, exploring the gray cliffs and low-lying clay bays near Punta Alta, he discovered an astonishing natural cemetery, with fossilized bones of enormous extinct mammals splayed out before him.

From "The Gene" by Siddhartha Mukherjee

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