downside /ˈdaʊnˌsaɪd/ noun3 •A disadvantageous aspect of something that is normally advantageous.The downside of obtaining a higher rank is that far more work is expected. •A downward tendency, especially in the price of shares etc.The strategy is used both to increase the return on the underlying stock and to provide a limited amount of downside protection. — 1987 •The side of something that is at the bottom, or that is intended to face downward.The buildings on the downside of the station were demolished and new premises of modern design constructed on the new platform. — 1962 formsdownsides