astounding

adjective

as·​tound·​ing ə-ˈstau̇n-diŋ How to pronounce astounding (audio)
Synonyms of astoundingnext
: causing astonishment or amazement
an astounding revelation
astoundingly adverb

Examples of astounding in a Sentence

He ate an astounding amount of food. the astounding sight of their cat returning home after having been missing for two years
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The difference in how much less puffy and sore my feet, ankles, and legs felt on the second flight was astounding. Sophie Dodd, Travel + Leisure, 22 June 2026 Third, amassing 46,000-plus five-star ratings is astounding, especially when many extol how long the ILNP nail polishes last. Tamim Alnuweiri, InStyle, 22 June 2026 Mount Vesuvius’ eruption blanketed Pompeii and nearby Herculaneum in ash and pumice (a porous volcanic glass), preserving the infamous tragedy and its victims in astounding detail. Margherita Bassi, Popular Science, 18 June 2026 Most astounding about Keith Mitchell was doing it in just over two hours. ABC News, 18 June 2026 See All Example Sentences for astounding

Word History

Etymology

from present participle of astound entry 1

First Known Use

1590, in the meaning defined above

Time Traveler
The first known use of astounding was in 1590

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Cite this Entry

“Astounding.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astounding. Accessed 26 Jun. 2026.

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