Definition of "mastering" []

• Becoming professional in the use of something; having mastery of (noun)
• Present participle of master. (verb)

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• "Letter to M.B. *** Oh for that simple faith which thou speaks of as mastering mountains of difficulty, and that not by might or power, but by its intrinsically victorious nature!"
• "Learning correct liaison is one of the challenges in mastering French."
• "Most homes lack parents until the end of the day, when they are tired and cannot easily support their children in mastering anything."