The word "proficiency" in English means: A high degree of skill; being good at something., The state of being competent and capable in a particular skill or subject..
The phonetic transcription of "proficiency" is /prəˈfɪʃənsi/ in British English and /prəˈfɪʃənsi/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "proficiency": skill, expertise, competence, ability, mastery, aptitude.
Example usage of "proficiency": "Her English proficiency helped her get the job.". More examples on the page.