downcycle noun 1verb 1forms 3 noun1 •A period of a cycle where something is decreasing or deteriorating.Again, the current down cycle is anomalous, with the Fed's monetary policies encouraging unusually high levels of stock buybacks and fruitless mergers. — 2017 verb1 •To convert (waste materials, etc.) into new materials or products of lower quality and reduced functionality. formsdowncycled · downcycling · downcycles