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
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Verb
Last weekend, they were stunned at second-tier Southampton and dumped out of the FA Cup at the quarterfinal stage. Jackie Powell, NBC news, 10 Apr. 2026 During a hearing on April 8, 2026, Heuermann, 62, stunned the Long Island courtroom by reversing his position and admitting to the murders of eight women, including Karen Vergata, in whose death he had not been charged. Laura Payne, Encyclopedia Britannica, 9 Apr. 2026 Neighbors there were stunned when police swooped in to make their arrest at the house where, neighbors said, Heuermann grew up with his parents and brother. April 8, CBS News, 8 Apr. 2026 The results from him and 38 other patients have since stunned some of the field’s top experts. Jason Mast, STAT, 8 Apr. 2026 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 13 Apr. 2026.

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

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