adept
adept
I
/əˈdɛpt/ adj [more ~; most ~]
: 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.
adept·ly adv
He switched adeptly between English and Italian.
adept·ness noun [ noncount ]
her adeptness at fixing flaws
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ad·ept
II
/ˈæˌdɛpt/ noun , pl -epts [ count ]
: a highly skilled or well-trained person : someone who is adept at something
a computer adept
an adept at chess