Definition of material witness in English:

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material witness


US Law
A witness whose evidence is likely to be sufficiently important to influence the outcome of a trial.
Example sentences
  • Elements of both crimes are clearly demonstrated in the declarations of the material witnesses.
  • A federal district court judge says the Justice Department may not jail material witnesses indefinitely.
  • A person who was eyewitness to an event can be a material witness.

For editors and proofreaders

Syllabification: ma·te·ri·al wit·ness

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