flu·en·cy 
/ˈflu:wənsi/ noun
/ˈflu:wənsi/ noun [noncount] 1 : the ability to speak easily and smoothly
▪ She speaks with great fluency. ; especially : the ability to speak a foreign language easily and effectively
▪ Students must demonstrate fluency in a foreign language to earn a degree. 2 : the ability to do something in a way that seems very easy
▪ a dancer known for her fluency and grace ▪ He plays the piano with speed and fluency.
▪ She speaks with great fluency. ; especially : the ability to speak a foreign language easily and effectively
▪ Students must demonstrate fluency in a foreign language to earn a degree.
▪ a dancer known for her fluency and grace ▪ He plays the piano with speed and fluency.
