Desideratum/dɪˌzɪdəˈrɑːtəm/ Definition 1 of 1Pro Tip 1/3Academic Tone Used mostly in formal or academic contexts, not in casual conversation. In the study of ethics, autonomy is a fundamental desideratum. Pro Tip 2/3Abstract Concept Often refers to an abstract idea or concept rather than a physical item. Achieving perfect equality is a desideratum in modern democratic societies. Pro Tip 3/3Common Usage Typically used to express a high-level or ideal goal or objective. In public policy, sustainable development is the current desideratum.