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

Footage of the fight shared online showed Williams punching Colón in the back of the head in the seventh round, apparently stunning him. — Charlotte Reck, CNN Money, 14 Aug. 2026

At one point during the summit, Reagan and Gorbachev were close to agreeing on a deal that would remove every single nuclear missile from the planet, a moment in the transcript that Gunn was particularly stunned by. — Barry Levitt, Time, 14 Aug. 2026

In 2022, two corrections officers at the Laurens County Detention Center in South Carolina were arrested and charged with brutalizing an inmate and using a GLOVE device to repeatedly stun them, CNN noted. — Frank Landymore, Futurism, 12 Aug. 2026

So when the couple decided to add an accessory dwelling unit, or ADU, next to their home in Northeast Los Angeles, the price tag stunned them. — Lisa Boone, Los Angeles Times, 11 Aug. 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