stun

1 of 2

verb

stunned; stunning
Synonyms of stunnext

transitive verb

1
: to make senseless, groggy, or dizzy by or as if by a blow : daze
2
: to shock with noise
3
: to overcome especially with paralyzing astonishment or disbelief

stun

2 of 2

noun

: the effect of something that stuns : shock

Examples of stun in a Sentence

Verb The angry criticism stunned them. His old friends were stunned at his success. She sat in stunned disbelief. There was a stunned expression on her face. weapons that can stun people temporarily
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.
Verb
Rosenstein said because Crown Heights has been home to Jewish families for so long, many were stunned to learn the stabbing on Tuesday might be antisemitic. Nicquel Terry Ellis, CNN Money, 18 Dec. 2025 The woman left the party crying, and afterward, the poster was stunned by her boyfriend’s response. Ashley Vega, PEOPLE, 18 Dec. 2025 Neighbors in the Boston-area community where MIT professor Nuno Louriero was shot to death inside his apartment building earlier this week said they were stunned by the mysterious killing. Julia Bonavita, FOXNews.com, 17 Dec. 2025 Rob Reiner’s son Nick Reiner was charged Tuesday with two counts of first-degree murder in the killing of his parents, which stunned their communities in Hollywood and Democratic politics, where both were widely beloved. Andrew Dalton, Fortune, 17 Dec. 2025 See All Example Sentences for stun

Word History

Etymology

Verb

Middle English stonen, stunen, from Anglo-French estoner — more at astonish

First Known Use

Verb

14th century, in the meaning defined at sense 1

Noun

1727, in the meaning defined above

Time Traveler
The first known use of stun was in the 14th century

Browse Nearby Words

Cite this Entry

“Stun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stun. Accessed 20 Dec. 2025.

Kids Definition

stun

verb
ˈstən
stunned; stunning
1
: to make senseless or dizzy by or as if by a blow
2
: to overcome with astonishment or disbelief
stunned by the news
stun noun

Medical Definition

stun

transitive verb
stunned; stunning
: to make senseless, groggy, or dizzy by or as if by a blow

More from Merriam-Webster on stun

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