“witness”

This page shows official legal definitions of “witness” from courts and ministries of justice in multiple countries. Definitions are listed in order of reading level to help with both basic understanding and deeper context.

Jurisdiction: United States United States

A person who testifies as to what was seen, heard, or otherwise known.

Source: Criminal Glossary (Superior Court of California, County of San Diego)
Jurisdiction: United States United States

A person called upon by either side in a lawsuit to give testimony before the court or jury.

Source: Glossary of Legal Terms (United States Courts)
Jurisdiction: United Kingdom United Kingdom

A person who gives evidence, either by way of a written statement or orally in court.

Source: Criminal Procedure Rules Glossary (The National Archives)
Jurisdiction: Australia Australia

1. A person who can provide direct information based on their own knowledge about a relevant fact in issue. 2. A person who observes the signing of a document and signs the document to confirm this fact.

Source: Law Handbook Glossary (Legal Services Commission of South Australia)