A rhetorical question is a figure of speech that involves asking a question without expecting or requiring an answer. Some synonyms for this term include interrogative figure of speech, hypothetical question, insinuative query, and persuasive inquiry. Other similar phrases include leading question, unanswerable question, and loaded question. The main purpose of a rhetorical question is to make a point or emphasize a particular idea or concept. This stylistic device is often used in speeches, debates, and persuasive writing to engage the audience and encourage critical thinking. Overall, rhetorical questions are a powerful tool for communication and persuasion.