Meaning of the word proficiency in English

What does proficiency mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

proficiency

US /prəˈfɪʃ.ən.si/
UK /prəˈfɪʃ.ən.si/
"proficiency" picture

Noun

a high degree of skill; expertise

Example:
She demonstrated great proficiency in several languages.
The job requires proficiency in computer software.
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