Definitions
the quality of having great facility and competence
Word origin
From proficient or its etymon, Latin prōficiēns (present participle of prōficiō), + -ency.
Used in a sentence
“to attain (or to reach) proficiency”
“a test of proficiency in English”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Skill level”11 letters
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