A rebuttal is a response to an argument or evidence presented by an opposing party, with the aim of contradicting or nullifying it

. In law, rebuttal is a form of evidence that is presented to contradict or nullify other evidence that has been presented by an adverse party

. In politics and public affairs, rebuttal refers to the informal process by which statements designed to refute or negate specific arguments put forward by opponents are deployed in the media

. In debates, rebuttals are used to respond to the opposing team's arguments and key ideas, and should be well-expressed, passionate, and logical

. In law, special rules apply to rebuttal; rebuttal evidence or rebuttal witnesses must be confined solely to the subject matter of the evidence rebutted, and new evidence on other subjects may not be brought in rebuttal