Added 10 October 2026 discontinuation noun Categories: ActionsRare Words noun ! Definition from Wiktionary (CC BY-SA). More about discontinuation at Wordnik → Where our words come from → A breach or interruption of continuity. The process of quitting a course of treatment with a drug. The act of stopping producing or supplying a product. Related Words: discontinuancecessationquittingterminationceasedissolutionceasingabolitiondismissalabrogationquitleaver Back to today's word