Legal Definition of Opinion: (a) The reasons given for a court’s judgment, frequently pointing out the law that governed the court’s conclusions. (b) A belief; a judge’s or court’s reasoning in a particular matter | Learn the legal definition of opinion and its importance in the judicial system. Discover the different types of opinions, examples, and how they provide legal guidance and establish precedents. Understand the transparency and persuasive value opinions bring to legal proceedings. Protect your business interests by understanding the crucial role opinions play in navigating the complexities of the legal system