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witness - definition and synonyms


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verb witness pronunciation in American English /ˈwɪtnəs/
Word Forms
present tense
present participlewitnessing
past tensewitnessed
past participlewitnessed
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  1. 1
    [transitive] to see something happen, for example a crime or an accident
    Several journalists witnessed the incident in which eight people were injured.
    Ambulance crews witness scenes like these every day.
    1. a.
      to be present when something important happens
      What we are witnessing is a party running out of ideas.
    2. b.
      used for saying that something happened at a particular time or in a particular place
      The 1980s witnessed enormous growth in the financial sector.
  2. 2
    [transitive] to watch someone sign an official document, and then sign it yourself to state that you have watched them
    Could you witness my signature on this visa application?
  3. 4
    [transitive] used before you give an example that proves what you have just said
    He was as much a journalist as a storyteller: witness the fact that many of his concerns are still relevant today.


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a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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