Definitions of proficiency in English
noun
(1) The quality of having great facility and competence.
(2) Skillfulness in the command of fundamentals deriving from practice and familiarity.
(3) Ability.
(4) Skillfulness.
Examples of proficiency in English
(1) He demonstrated his proficiency in Chinese
(2) He demonstrated his proficiency in Chinese
synonyms of proficiency
skill
expertise
experience
accomplishment
competence
mastery
prowess
professionalism
deftness
adroitness
dexterity
finesse
ability
facility
know-how
Antonyms of proficiency
Clumsiness
Inability
Incompetence
Ineptness
