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Related to hostile witness: adverse witness
A witness at a trial who is so adverse to the party that called him or her that he or she can be cross-examined as though called to testify by the opposing party.
The Federal Rules of Evidence provide that witnesses who are hostile, or adverse, can be interrogated through the use of leading questions.
hostile witnessnoun adverse testifier, adverse witness, antithetical witness, challenger, contrary witness, disagreeing witness, dissenting witness, dissentious witness, dissident, harmful witness, opposing witness, turncoat, witness in opposition
Associated concepts: cross examination, leading questions