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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.

Appeared in the November 6, 2025, print edition as 'A Museum’s Astonishing Arrival'.

From The Wall Street Journal • Nov. 5, 2025

Elsewhere, Deadline's Jake Kanter wrote: "Adolescence is as flawless a four hours of TV drama I have ever seen. It lingers in the mind long after the credits have rolled. Astonishing telly."

From BBC • Mar. 17, 2025

Rainfall forecasts: Astonishing amounts of rain were forecast across urban L.A.

From Los Angeles Times • Feb. 4, 2024

The work was partially funded by a biotech start up called Astonishing Labs, which aims to harness the technology to treat neurological disease and nerve and spinal cord injuries.

From Science Magazine • Nov. 29, 2023

Health note: Astonishing weight increase, due no doubt to the anxiety which my dear mother’s increasing unpleasantness is causing me.

From "A Confederacy of Dunces" by John Kennedy Toole