Legal Definition of Discontinuance: The failure of a plaintiff to continue to press the suit. As a consequence, the case is dismissed | Discover the Legal Definition of Discontinuance: Everything You Need to Know. Gain a solid understanding of this crucial legal term that can impact your business operations. Learn about the reasons for discontinuance, its implications for both plaintiffs and defendants, and the importance of seeking legal counsel in decision-making. Click here to delve into the basics of discontinuance