1adept 
/əˈdɛpt/ adjective
/əˈdɛpt/ adjective [more adept; most adept] : very good at doing something that is not easy
▪ He's adept in several languages. ▪ politically adept — usually + at ▪ She's adept at fixing flaws in the system. ▪ He was adept at (using) computers.
▪ He's adept in several languages. ▪ politically adept — usually + at ▪ She's adept at fixing flaws in the system. ▪ He was adept at (using) computers.
— adept·ly adverb
▪ He switched adeptly between English and Italian.
▪ He switched adeptly between English and Italian.
— adept·ness noun [noncount]
▪ her adeptness at fixing flaws
▪ her adeptness at fixing flaws
