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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:

It was simply Madoff taking money out of his own firm,” said Dubinsky, an expert witness for the government.

From Los Angeles Times Aug. 5, 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

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

An expert witness said no studies or clinical data suggested any of the treatments described given to the patients could cure any type of cancer.

From BBC Apr. 28, 2026

At times, too, she was needed as an expert witness for trials.

From "The Woman All Spies Fear" by Amy Butler Greenfield

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