stun

1 of 2

verb

ˈstən 

stunned; stunning

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

Synonyms of stun

Verb

• daze
• paralyze
• rock
• hit

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

Verb

Archaeologists were stunned after recently discovering one of the greatest works of Western literature placed on top of a mummy in Egypt. —Andrea Margolis, FOXNews.com, 22 May 2026

Underneath all of that, though, the book is really a reflection from a man who still seems slightly stunned by where life took him, from a paperboy in Kentucky to one of America’s richest lawyers. —Brandon Kochkodin, Forbes.com, 22 May 2026

The killing stunned the contemporary art world. —Daniel Cassady, ARTnews.com, 22 May 2026

Torch Lake in Michigan stuns with its clear turquoise water, glacial origins, and iconic summer sandbar scene. —Taryn White, Travel + Leisure, 21 May 2026

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

Phrases Containing stun

• stun grenade
• stun gun

Rhymes for stun

• bun
• done
• dun
• fun
• gun
• hun
• jun
• none
• nun
• one
• pun
• run

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

ˈstən 

stunned; stunning

: to make senseless, groggy, or dizzy by or as if by a blow