noun

witness

witness, eyewitness

She was a witness to the accident.

She was a witness to the accident.

The witness testified in court.

The witness testified in court.

a witness ((to sth.)) a person who sees (sth.) happen Police are looking for a witness to the robbery.

Synonyms: observer, eyewitness, bystander

From Old English 'witnes', from 'wit' (knowledge, mind) + '-ness' (suffix). Someone with knowledge of an event.

A 'witness' uses their 'wit' (knowledge) to tell what they saw.

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