The noun expert has 1 sense (first 1 from tagged texts)
1. (20) expert -- (a person with special knowledge or ability who performs skillfully)
Overview of adj expert
The adj expert has 1 sense (first 1 from tagged texts)
1. (2) adept, expert, good, practiced, proficient, skillful, skilful -- (having or showing knowledge and skill and aptitude; "adept in handicrafts"; "an adept juggler"; "an expert job"; "a good mechanic"; "a practiced marksman"; "a proficient engineer"; "a lesser-known but no less skillful composer"; "the effect was achieved by skillful retouching")