Meaning of the word proficiently in English

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

proficiently

US /prəˈfɪʃ.ənt.li/
UK /prəˈfɪʃ.ənt.li/

Adverb

in a skilled and competent way

Example:
She speaks three languages proficiently.
He can operate the machinery proficiently.