proficient Pronunciation: /prəˈfɪʃənt/Translate proficient | into French | into Italian | into Spanish German translation of proficientadj. fähig; gut [Pianist, Reiter usw.]; geschickt [Radfahrer, Handwerker] be proficient at or in maths = viel von Mathematik verstehenproficient in other Oxford dictionaries Definition of proficient in the British & World English dictionary Definition of proficient in the US English dictionary