A refutation or contradiction of evidence or arguments presented by the opposing side. An argument offered in response to another argument.
From Old French 'reboter' meaning 'to repel' or 'to blunt', combined with the suffix '-al'. The legal term entered English in the 16th century, originally referring to the defendant's answer to the plaintiff's surrejoinder in court proceedings.
In formal debate structure, the rebuttal is so crucial that it's given its own designated time slot - debaters literally cannot win without effectively dismantling their opponent's arguments. The word's root 'rebut' shares ancestry with 'buttress', both involving the concept of pushing back against force.
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