Adjective expert has 1 sense
  1. 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"
    Antonym: unskilled (indirect, via skilled)
,Noun expert has 1 sense
  1. expert - a person with special knowledge or ability who performs skillfully
    --1 is a kind of
    person, individual, someone, somebody, mortal, human, soul
    --1 has particulars:
     ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz; agronomist; all-rounder, all arounder; analyst; analyst; anatomist; antiquary, antiquarian; arbiter, supreme authority; archer, bowman; authority; black belt; cabalist, kabbalist; calculator, reckoner, figurer, estimator, computer; computer expert, computer guru; cosmetologist; efficiency expert, efficiency engineer; exegete; genealogist; geographer; horticulturist, plantsman; investigator; jurist, legal expert; lapidary, lapidarist; logician, logistician; mnemonist; mythologist; observer, commentator; out-and-outer; parliamentarian; past master; prosthetist; pteridologist; scout, pathfinder, guide; shark; shot, shooter; specialist, specializer, specialiser; talent; technician; technocrat; therapist, healer; veteran, old-timer, oldtimer, old hand, warhorse, old stager, stager