Meaning of the word proficient in English

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

proficient

US /prəˈfɪʃ.ənt/
UK /prəˈfɪʃ.ənt/

Noun

1.

a person who is proficient.

Example:
he became a proficient in Latin and Greek
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