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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 Oklahoma City Thunder and San Antonio Spurs have produced four games of astonishing runs, scintillating comebacks, and extraterrestrial alley-oops.

From The Wall Street Journal • May 25, 2026

The particle carried an astonishing energy of around 220 PeV, more than ten times greater than previously detected high energy neutrinos, and researchers still do not know exactly where it came from.

From Science Daily • May 24, 2026

Watch Celtic lift the Scottish Premiership trophy for the fifth season in a row, denying Hearts on an astonishing final day.

From BBC • May 16, 2026

He erased that X with his camera and his astonishing heart.”

From Los Angeles Times • May 16, 2026

Without missing a beat in his Senate duties, he’d have to build and maintain a coast-to-coast campaign operation, develop a policy platform, and also raise an astonishing amount of money.

From "Becoming" by Michelle Obama

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