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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.

See Examples For:

Judges at Manhattan's second circuit of appeals sent the previously dismissed cases back to a lower court for further proceedings, after ruling that a district judge had improperly excluded expert witness testimony.

From Barron's Jul. 13, 2026

An expert witness testified that Left’s words carried special weight because traders thought he had “skin in the game” when he tweeted about whether a stock was overvalued or underpriced.

From The Wall Street Journal Jun. 2, 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

Johnson has been an advocate of Kory’s for years, calling the doctor as an expert witness in two 2020 Senate hearings.

From Salon Dec. 15, 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

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