Dictionary.com
Thesaurus.com
Showing results for expert witness. Search instead for expert players.

expert witness

American  

noun

  1. a person, as a physician, who provides testimony at a legal proceeding in the form of professional opinions.


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.

Wise is a paid consultant for Pfizer, Bayer, K36, OncoC4, AstraZeneca, and Janssen Pharmaceuticals, and is an expert witness for Exxon Mobil.

From Science Daily • Feb. 25, 2026

Baccarelli has served as an expert witness in litigation against Tylenol’s maker.

From The Wall Street Journal • Sep. 22, 2025

“There is a tradition of firearms regulation in the United States,” said Brian DeLay, a University of California, Berkeley, historian who has also been an expert witness in post-Bruen cases.

From Slate • Jun. 4, 2025

On day eight of the libel trial before a jury, John O'Loan, an Australian journalist who helped set up Sky News, was called as an expert witness on behalf of Mr Adams.

From BBC • May 9, 2025

Her testimony was exposed as unreliable by the State's own expert witness, Dr. Dennis McNally, an obstetrician/gynecologist who examined Mrs. Colbey two weeks after the stillbirth.

From "Just Mercy" by Bryan Stevenson