as·​tound | \ ə-ˈstau̇nd \
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

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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

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 Rossi says he was astounded by Landmark’s collapse this year. Jim Brunner, The Seattle Times, "Dino Rossi has done well in real estate, but his work is also fodder for campaign opponents," 16 Oct. 2018 There’s also a 50mm f/1.8 prime ($599.95) coming in October that Nikon tells me has astounded some of its engineers with sharpness and edge-to-edge clarity. Chris Welch, The Verge, "Nikon strikes back at Sony with first full-frame mirrorless cameras," 23 Aug. 2018 Grace Kelly was an icon, not only for her star-making film roles, astounding beauty, and real life Cinderella story (although that certainly would have been enough) but also for her impeccable, trend-inspiring fashion sense. Lauren Hubbard, Town & Country, "Grace Kelly's Granddaughter Pauline Ducruet Grew Up Training Elephants in an Actual Circus," 7 Sep. 2018 Another Conservative, former cabinet minister Priti Patel, told the paper the move had astounded her. Matthew Diebel, USA TODAY, "Sacre bleu! Fury follows claim that UK's post-Brexit passports will be made 'in France'," 22 Mar. 2018 Eventually the Moxos leaders revealed something that astounded him. Nicholas Casey, New York Times, "Jesuit Legacy in the Bolivian Jungle: A Love of Baroque Music," 8 May 2018 The fact that some member states believe that condemning Hamas does not even deserve a vote is astounding. Ben Evansky, Fox News, "After vote fails to condemn Hamas, Haley calls UN an unserious force for Middle East peace," 13 June 2018 There is much about the memorial and museum that astounds and horrifies. Linda Matchan,, "A sculpture’s trans-Atlantic passage from Ghana to Alabama," 31 May 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.

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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

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Statistics for astound

Last Updated

24 Dec 2018

Look-up Popularity

Time Traveler for astound

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

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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 \
astounded; astounding

Kids Definition of astound

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

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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).


to express emotion in a dramatic way

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