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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.

"This astonishing total of applicants firmly establishes London as the world's most sought-after marathon," said Hugh Brasher, chief executive of London Marathon Events.

From BBC • May 5, 2026

The Lakers rebounding was astonishing, nearly doubling the offensive rebounds of the NBA’s best offensive rebounding team.

From Los Angeles Times • May 2, 2026

The progress of artificial intelligence has been astonishing, and now we know it’s helping the overall U.S. economy much faster than most thought.

From The Wall Street Journal • Apr. 30, 2026

White House spokesman Kush Desai was quick to laud the growth rate, saying it was "driven by an astonishing surge in business investment."

From Barron's • Apr. 30, 2026

Their heads whip from side to side, as if they’ve just heard astonishing news.

From "Wishtree" by Katherine Applegate