1 A voluntary relinquishing of a right or privilege. Although a waiver may result from an explicit surrender or by circumstances, courts frown on accepting waivers of constitutional rights. The party waiving a right must have knowledge of that right and the informed intention of surrendering it. 2 The paper by which a person surrenders his or her rights; for example, when the courier delivered the package, the recipient may sign a waiver relieving the former of any further responsibility. exp...