be (a) witness to (something)
1. To see something happen. I was a witness to many inappropriate situations when I worked in an office. Were you witness to the accident, or did you arrive at the scene after it happened? It's always a true honor to be a witness to my students' growth over four years of high school.
2. To be proof of something. The many students on campus these days are a witness to the school's successful rebranding efforts. The tech start-up's runaway success is a witness to its founders' tireless efforts over the past five years. The high house prices are a witness to the neighborhood's desirability.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
witness to something
to serve as a witness to some act or deed. I was witness to the beating. We were not witness to any of the activities you have described.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
be (a) ˈwitness to something
1 (formal) see something take place: He has been witness to a terrible murder.
2 (written) show that something is true; provide evidence for something: His good health is a witness to the success of the treatment.Farlex Partner Idioms Dictionary © Farlex 2017