pro·fi·cient 
/prəˈfɪʃənt/ adjective
/prəˈfɪʃənt/ adjective [more proficient; most proficient] : good at doing something : skillful
▪ a proficient reader ▪ He has become very proficient at computer programming. ▪ She is proficient in two foreign languages.
▪ a proficient reader ▪ He has become very proficient at computer programming. ▪ She is proficient in two foreign languages.
— pro·fi·cien·cy /prəˈfɪʃənsi/ noun [noncount]
▪ a test in reading proficiency = a reading proficiency test [=a test to see how well you can read] ▪ He shows a high level of proficiency in Spanish.
/prəˈfɪʃənsi/ noun [noncount] ▪ a test in reading proficiency = a reading proficiency test [=a test to see how well you can read] ▪ He shows a high level of proficiency in Spanish.
