Noun

• S: (n) ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz (someone who is dazzlingly skilled in any field)
• direct hyponym / full hyponym
• S: (n) track star (a star runner)
• direct hypernym / inherited hypernym / sister term
• S: (n) expert (a person with special knowledge or ability who performs skillfully)
• S: (n) ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz (someone who is dazzlingly skilled in any field)
• S: (n) agronomist (an expert in soil management and field-crop production)
• S: (n) all-rounder, all arounder (a versatile person who is expert at many things) "she's the best all-rounder they've seen in years"
• S: (n) analyst (someone who is skilled at analyzing data)
• S: (n) analyst (an expert who studies financial data (on credit or securities or sales or financial patterns etc.) and recommends appropriate business actions)
• S: (n) anatomist (an expert in anatomy)
• S: (n) antiquary, antiquarian, archaist (an expert or collector of antiquities)
• S: (n) arbiter, supreme authority (someone with the power to settle matters at will) "she was the final arbiter on all matters of fashion"
• S: (n) archer, bowman (a person who is expert in the use of a bow and arrow)
• S: (n) authority (an expert whose views are taken as definitive) "he is an authority on corporate law"
• S: (n) black belt (a person who attained the rank of expert in the martial arts (judo or karate))
• S: (n) cabalist, kabbalist (an expert who is highly skilled in obscure or difficult or esoteric matters)
• S: (n) calculator, reckoner, figurer, estimator, computer (an expert at calculation (or at operating calculating machines))
• S: (n) climatologist (someone who is expert in climatology)
• S: (n) computer expert, computer guru (an authority on computers and computing)
• S: (n) cosmetologist (an expert in the use of cosmetics)
• S: (n) efficiency expert, efficiency engineer (an expert in increasing the efficient use of machines and personnel)
• S: (n) exegete (a person skilled in exegesis (especially of religious texts))
• S: (n) genealogist (an expert in genealogy)
• S: (n) geographer (an expert on geography)
• S: (n) horticulturist, plantsman (an expert in the science of cultivating plants (fruit or flowers or vegetables or ornamental plants))
• S: (n) investigator (someone who investigates)
• S: (n) jurist, legal expert (a legal scholar versed in civil law or the law of nations)
• S: (n) lapidary, lapidarist (an expert on precious stones and the art of cutting and engraving them)
• S: (n) logician, logistician (a person skilled at symbolic logic)
• S: (n) mnemonist (an expert in the use of mnemonics; someone able to perform unusual feats of memory)
• S: (n) mythologist (an expert on mythology)
• S: (n) nerd (an intelligent but single-minded expert in a particular technical field or profession)
• S: (n) observer, commentator (an expert who observes and comments on something)
• S: (n) out-and-outer (someone who is excellent at something)
• S: (n) parliamentarian (an expert in parliamentary rules and procedures)
• S: (n) past master (someone who has long and thorough experience in a given activity)
• S: (n) prosthetist (an expert in prosthetics)
• S: (n) pteridologist (an expert in the study of ferns)
• S: (n) scout, pathfinder, guide (someone who can find paths through unexplored territory)
• S: (n) shark (a person who is unusually skilled in certain ways) "a card shark"
• S: (n) shot, shooter (a person who shoots (usually with respect to their ability to shoot)) "he is a crack shot"; "a poor shooter"
• S: (n) specialist, specializer, specialiser (an expert who is devoted to one occupation or branch of learning)
• S: (n) talent (a person who possesses unusual innate ability in some field or activity)
• S: (n) technician (someone known for high skill in some intellectual or artistic technique)
• S: (n) technocrat (an expert who is a member of a highly skilled elite group)
• S: (n) therapist, healer (a person skilled in a particular type of therapy)
• S: (n) veteran, old-timer, oldtimer, old hand, warhorse, old stager, stager (an experienced person who has been through many battles; someone who has given long service)
• derivationally related form
• W: (v) ace [Related to: ace] (succeed at easily) "She sailed through her exams"; "You will pass with flying colors"; "She nailed her astrophysics course"
• W: (adj) adept [Related to: adept] (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"
• W: (adj) virtuoso [Related to: virtuoso] (having or revealing supreme mastery or skill) "a consummate artist"; "consummate skill"; "a masterful speaker"; "masterful technique"; "a masterly performance of the sonata"; "a virtuoso performance"
• W: (v) star [Related to: star] (be the star in a performance)