English Reference

Word

witnessing

Phoneticswit·ness·ing

US/ˈwɪtnəsɪŋ/

UK/wˈɪtnəsɪŋ/

Definitions

01seeing an event

B2

v. seeing something happen, especially a crime, an accident, or a major event.

v. observing an event firsthand, often implying the observer's presence at a significant or legal occurrence.

“People standing nearby were witnessing the accident as it happened.”

“By witnessing the signing of the treaty, the ambassadors ensured that the transition of power was documented by neutral parties.”

Usage

Often used in the progressive tense to describe an ongoing observation of a historical or dramatic event.

02experiencing a change

C1

v. being the time or place where a big change happens.

v. serving as the temporal or spatial setting for a significant development or shift.

“The city is witnessing a period of very fast growth.”

“The late twentieth century was witnessing a radical shift in global communication as digital technologies began to displace traditional media.”

Academic

Usage

Commonly used with a time period or a location as the subject.

03giving testimony

C1

n. the act of telling what you saw or what you believe is true.

n. the act of providing evidence or testimony, often in a legal or religious context.

“Her witnessing in court helped the jury make their final decision.”

“The public witnessing of the oath was a requirement for the ceremony to be considered legally binding under the old statutes.”

Formal

Usage

Functions as a gerund; often followed by 'to' when describing the subject of the testimony.

Real-World Examples

“Post-traumatic stress disorder, also known as PTSD , is a complex mental health condition that can develop after experiencing or witnessing a traumatic event.”
The Conversation · 2 Sept 2026
“They were witnessing the birth of modern war.”
Smithsonian Magazine · 1 Sept 2026

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/witnessing

English Reference