A spoken or written reply, as to a question. A correct reply. A solution, as to a problem. A correct solution. An act in retaliation or response: Our only possible answer was to sue. Something markedly similar to another of the same class: cable TV's answer to the commercial networks' sportscasts. Law A defendant's defense against charges. To speak, write, or act as a return, as to a question. To be liable or accountable: You must answer for your actions. To serve the purpose; suffice: "Often I do use three words where one would answer\u201d ( Mark Twain). To correspond; match: I found a dog answering to that description. To speak, write, or act as a return to; respond to. To respond correctly to. To fulfill the demands or needs of; serve: "My fortune has answered my desires\u201d ( Isaak Walton). To conform or correspond to: The suspect answers the description given by the police.