Definition of Acumen: Acumen (noun): The ability to make good judgments and quick decisions, typically in a particular domain; keen insight. Synonyms: insight, shrewdness, sharpness, astuteness Antonyms: ignorance, ineptness, obtuseness, dullness Memory Tip: Think of “acumen” as a sharp mind that can quickly cut through complex situations to make the best decision. Conversation and Short…