What is paraphrase ? first of all, paraphrase is a way to avoid plagiarism. that is why we need to learn this. paraphrase is needed when you want to use people idea. therefore, to avoid plagiarism, you have to give credit to the author by paraphrase. the definition of paraphrase is a restatement of a text or passage in other word. But, always bear in your mind, the meaning or idea should be retain.