proficiency
noun/prəˈfɪʃnsi/
/prəˈfɪʃnsi/
[uncountable]- the ability to do something well because of training and practice
- to develop proficiency
- a certificate of language proficiency
- proficiency in something/in doing something a high level of oral proficiency in English
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
proficiency