What is definition exclusionary?

The term "exclusionary" refers to something that is intended to exclude or prevent certain individuals or groups from participation or access to a particular resource, opportunity, or activity. In law, the term "exclusionary" is most commonly used in the context of the exclusionary rule, which is a legal principle that prohibits the use of evidence obtained through unconstitutional means, such as a warrantless search or seizure, in criminal proceedings. The exclusionary rule is designed to deter law enforcement officials from violating the constitutional rights of individuals and to ensure that evidence gathered through illegal means is not used to secure convictions. Overall, the term "exclusionary" refers to actions or policies that limit or prevent access or participation on the basis of certain criteria or conditions.