Definition of "proficiently" []

• In a proficient manner. (adverb)

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• "I could play it pretty quickly, though not proficiently, which is weird because it's an unforgiving, mean instrument."
• ""proficiently" at their grade level in mathematics."
• "The statistics are even more alarming for Black, Latino and poor white students -- more than 80 percent of these students failed to score proficiently on the reading test."