The quality of state of being proficient; advance in the acquisition of any art, science, or knowledge; progression in knowledge; improvement; adeptness; as, to acquire proficiency in music
skillfulness in the command of fundamentals deriving from practice and familiarity; "practice greatly improves proficiency"
Ability, skill, competence, as "Proficiency in English." or "To attain (or to reach) proficiency"
This refers to how much of a particular capability a person must have to be successful in his/her work It is the degree of mastery of a skill or area of knowledge
{i} expertise, state of having expert skills; skillfulness, adeptness; masterfulness
the quality of having great facility and competence skillfulness in the command of fundamentals deriving from practice and familiarity; "practice greatly improves proficiency
Ability to perform a specific behavior (e g , task, learning objective) to the established performance standard in order to demonstrate mastery of the behavior
If you show proficiency in something, you show ability or skill at it. Evidence of basic proficiency in English is part of the admission requirement. = ability. a good standard of ability and skill proficiency in/with/at