legal definition rebuttal
Wiktionary (0.00 / 0 votes) Rate this definition: rebuttal (Noun). The act of refuting something by making a contrary argument, or presenting contrary evidence. rebuttal (Noun). A pleading by a defendant in reply to the evidence put forward by a plaintiff or the prosecution. rebuttal (Noun). A statement, designed to refute or negate specific arguments put forward by opponents.