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

Verb The magician will astound you with his latest tricks. What astounds me is that they never apologized.
Recent Examples on the Web: Verb Maybe Flanagan’s pinpoint recreations will astound you. Darren Franich,, "Doctor Sleep takes The Shining and puts a hat on a hat," 30 Oct. 2019 One of the things astounding about Combs’ ascent to the apex of the industry is that he’s done it on the strength of one album. Rob Hubbard, Twin Cities, "Low-key Luke Combs still thrills rowdy, full crowd at Xcel Energy Center," 28 Sep. 2019 Giuliani's decision to take part in the conference astounded national security experts. oregonlive, "Giuliani cancels paid appearance at Kremlin-backed summit in Armenia," 27 Sep. 2019 In the past year, American beekeepers have reported losing, on average, an astounding 42.1 percent of their hives. Melody Rowell, National Geographic, "10 sweet photos of honeybees," 23 July 2019 That year, the Victoria’s Secret Fashion Show was watched live by an astounding 9.7 million people in the U.S.; one month later, ThirdLove launched. Maya Singer, Vogue, "The Perfect Fit: Lingerie Brands Are Now—Finally!—Making Bras for Real Women," 11 July 2019 The numbers are astounding: 37 million people get no sick days. Valentina Zarya, Fortune, "Sheryl Sandberg Talks Paid Family Leave, Community Organizing, and Cambridge Analytica," 10 Apr. 2018 The widespread flooding that inundated many parts of New Orleans on Wednesday astounded even longtime residents of a city that frequently withstands the brunt of hurricanes and tropical storms. Fox News, "New Orleans residents stunned by severe flooding as tropical system strengthens," 11 July 2019 That being said, the implications for climbing are astounding. Jenny Earnest, Outside Online, "How Two Scientists Will Build Mountains," 30 Apr. 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

12 Nov 2019

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


How to pronounce astound (audio)

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

Thesaurus: All synonyms and antonyms for astound

Rhyming Dictionary: Words that rhyme with 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).


strength of mind

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • pasta resembling wheels with spokes
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?


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!