proficiency

Definitions

A high degree of competence or skill; expertise.

The state or quality of being proficient.

Examples

She demonstrated a high level of proficiency in both French and Spanish during the interview.

The job requires a proven proficiency in data analysis and statistical modeling.

Regular practice is essential if you want to achieve proficiency in playing the piano.

Synonyms

expertise competence skill mastery aptitude adeptness dexterity

Antonyms

incompetence ineptitude unskillfulness inability amateurism clumsiness ignorance