as·​tound | \ ə-ˈstau̇nd How to pronounce astound (audio) \
astounded; astounding; astounds

Definition of astound

 (Entry 1 of 2)

transitive verb

: to fill with bewilderment or wonder The unusual surgical techniques illustrated … will astound even the most bemused readers.— Alan T. Marty



Definition of astound (Entry 2 of 2)

: overwhelmed with astonishment or amazement : astounded

Keep scrolling for more

Choose the Right Synonym for astound


surprise, astonish, astound, amaze, flabbergast mean to impress forcibly through unexpectedness. surprise stresses causing an effect through being unexpected but not necessarily unusual or novel. surprised to find them at home astonish implies surprising so greatly as to seem incredible. a discovery that astonished the world astound stresses the shock of astonishment. too astounded to respond amaze suggests an effect of bewilderment. amazed by the immense size of the place flabbergast may suggest thorough astonishment and bewilderment or dismay. flabbergasted by his angry refusal

Examples of astound in a Sentence


The magician will astound you with his latest tricks. What astounds me is that they never apologized.

Recent Examples on the Web: Verb

By every metric, and no matter who is calculating the data, the growth of hard seltzer has been astounding this summer. Josh Noel,, "What’s the best hard seltzer? The worst? Is it a fad? We have answers.," 2 July 2019 Though Billions had been setting Bobby on this road for a while, ever since he was astounded by his friend’s decision to retire to Florida instead of making money. Elena Nicolaou,, "Billions Season 4 Finale Recap: Et Tu, Bobby?," 4 June 2019 Both Colbert and Noah were astounded that Trump made incendiary comments about Meghan Markle, Duchess of Sussex, and London Mayor Sadiq Khan before his U.K. visit. Nick Romano,, "Stephen Colbert on Trump's U.K. visit: 'The Crown has really jumped the shark'," 4 June 2019 The results were astounding: Students whose last two Social Security numbers were high bid 346% more than students with low numbers. Jeff Stibel, USA TODAY, "Learn this trick and you'll spend less," 13 Mar. 2018 But also the massive waste: Every year, 9.7 million tons of furniture are added to landfills—a fact that Reno, who has a Master’s degree in Climate and Environmental Science from Columbia, was astounded by. Elise Taylor, Vogue, "Rent the Room: Is the Furniture Industry About to Be Disrupted?," 15 May 2019 Others are simply astounded that Roman thinks there’s any chance of BTS agreeing to an interview. Tess Garcia, Teen Vogue, "BTS Fans Are Angry After a Radio Host Calls the Group's Music "Noise"," 29 Sep. 2018 Lee’s dialogue, nestled there beside some of the greatest comics images ever created, wasn’t astounding on its own. Noah Berlatsky, The Verge, "The larger-than-life huckster dialogue of Stan Lee," 13 Nov. 2018 But the battery life was astounding: 17 hours in our tests of the Asus NovaGo, which projects to about 21 hours in PCs like the Yoga 630. Mark Hachman, PCWorld, "Lenovo's Yoga C630 promises 25 hours on battery using Qualcomm's next-gen Snapdragon 850," 30 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'astound.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of astound


1592, in the meaning defined above


14th century, in the meaning defined above

History and Etymology for astound

Adjective and Verb

Middle English astoned, from past participle of astonen — see astonish

Keep scrolling for more

Learn More about astound

Statistics for astound

Last Updated

9 Jul 2019

Look-up Popularity

Time Traveler for astound

The first known use of astound was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for astound



English Language Learners Definition of astound

: to cause a feeling of great surprise or wonder in (someone)


as·​tound | \ ə-ˈstau̇nd How to pronounce astound (audio) \
astounded; astounding

Kids Definition of astound

: to fill with puzzled wonder The magician will astound you.

Keep scrolling for more

More from Merriam-Webster on astound

Rhyming Dictionary: Words that rhyme with astound

Thesaurus: All synonyms and antonyms for astound

Spanish Central: Translation of astound

Nglish: Translation of astound for Spanish Speakers

Britannica English: Translation of astound for Arabic Speakers

Comments on astound

What made you want to look up astound? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of editing or removing

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!