expert
1. [ noun ] a person with special knowledge or ability who performs skillfully
Related terms: person specialist therapist observer analyst shot veteran talent ace authority efficiency_expert geographer jurist investigator technician genealogist horticulturist prosthetist arbiter antiquary exegete technocrat lapidary logician mythologist black_belt archer all-rounder out-and-outer parliamentarian past_master computer_expert calculator shark analyst mnemonist scout cabalist cosmetologist pteridologist anatomist agronomist
2. [ adjective ] having or showing knowledge and skill and aptitude
Synonyms: proficient skillful good adept practiced skilful
Examples:

"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"

Related terms: skilled
3. [ adjective ] having or showing great skill or knowledge or special training as expected of a professional
Examples:

"an expert opinion"

Related terms: professional
Similar spelling:   expertly
  expertise
  exuberant
  export
  exporter
  exporting