negroni UK /nɪˈɡɹəʊnɪ/US /nəˈɡɹoʊni/ noun1 •A cocktail consisting of gin, Campari and vermouth, usually in equal parts.The main item on the agenda was alcohol, not food. [Gavin] Ewart began with several negronis (gin, vermouth, Campari), which is not an amateur’s drink, and carried on from there. — 2012 formsnegronis