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Synonyms

eyewitness

American  
[ahy-wit-nis, ahy-wit-nis, ahy-wit-nis] / ˈaɪˌwɪt nɪs, ˈaɪˈwɪt nɪs, ˈaɪˌwɪt nɪs /

noun

  1. a person who actually sees some act, occurrence, or thing and can give a firsthand account of it.

    There were two eyewitnesses to the murder.


verb (used with object)

  1. to view with one's own eyes.

    to eyewitness a murder.

eyewitness British  
/ ˈaɪˌwɪtnɪs /

noun

    1. a person present at an event who can describe what happened

    2. ( as modifier )

      an eyewitness account

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of eyewitness

First recorded in 1530–40; eye + witness

Explanation

An eyewitness is an observer who's seen something clearly enough to describe it. If you're an eyewitness to a car accident, the police might want to ask you exactly what you saw. An eyewitness is valuable to crime investigators because she has seen the incident happen with her own eyes. You could also be an eyewitness to something less serious, like a boy being mean to his younger brother when he thinks no one is watching, or a woman throwing her soda can on the ground. While a witness may have valuable information about something, an eyewitness is even more important because he has actually seen — or witnessed — the event in question.

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Vocabulary lists containing eyewitness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We saw the car approaching, it was heading for the curb," an eyewitness said.

From BBC • May 16, 2026

Besides the 20-member hiking group, eyewitness accounts indicate there were other hikers on the mountain as well.

From BBC • May 8, 2026

It can take hours, he added, to fully corroborate information based on eyewitness accounts and confirm details.

From The Wall Street Journal • Apr. 28, 2026

CNN’s Wolf Blitzer, who was returning from a restroom on the floor where the incident occurred, delivered an eyewitness account from the Hilton lobby using a Webex app on a smartphone.

From Los Angeles Times • Apr. 26, 2026

There was an eyewitness, a miner waiting for a ride at the gas station across the street.

From "October Sky" by Homer Hickam

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