Having or demonstrating a high degree of knowledge or skill
A person with a high degree of knowledge or skill in a particular field
It's fine! answered Sidorov, who was considered an adept at French.
The French symbolists found an enthusiastic adept in Eugenio de Castro.
While Fred, and to a lesser extent Cynthia, had solved cryptograms in the newspaper, neither were particularly adept at it.
An adept will know by the ring of the pot on striking it with his knuckles whether water is wanted or not, according as it rings loud and clear or dull and heavy.
Before the English visit Voltaire had been an elegant trifler, an adept in the forms of literature popular in French society, a sort of superior Dorat or Boufflers of earlier growth.