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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.

An expert witness who previously gave evidence in the Lapsus$ case involving Jubair agrees that the case demonstrates the need for stronger deterrents for the most prolific young cyber criminals.

From BBC • Jun. 25, 2026

Work I’ve done as an expert witness has put me in front of investment committees defending decisions made under ESG frameworks.

From The Wall Street Journal • Jun. 11, 2026

De Masi himself has become a frequent expert witness and advisory collaborator for the U.S. government on quantum policy, and IonQ has a track record of collaborating with federal agencies.

From Barron's • May 6, 2026

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

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

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