adept(n = noun.person) ace, champion, genius, hotshot, maven, mavin, sensation, star, superstar, virtuoso, whiz, whizz, wiz, wizard - someone who is dazzlingly skilled in any field;
is a kind of expert
has particulars: track star
Derived form adjective adept₁

   adept(s = adj.all) expert, good, practiced, proficient, skilful, skillful - 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"
Derived forms noun adept₁, noun adeptness₁

   One fully skilled or well versed in anything; a proficient; as, adepts in philosophy. [1913 Webster]

   Well skilled; completely versed; thoroughly proficient. [1913 Webster]
"Beaus adept in everything profound." [1913 Webster]

adept, adj. & n.
--adj. (foll. by at, in) thoroughly proficient.
--n. a skilled performer; an expert.

Derivative:
adeptly adv. adeptness n.

Etymology:
L adeptus past part. of adipisci attain

N  proficient, expert, adept, dab, dabster, crackerjack, connoisseur, master, master hand, prima donna, first fiddle, top gun, chef de cuisine, top sawyer, protagonist, past master, mahatma, picked man, medallist, prizeman, veteran, old stager, old campaigner, old soldier, old file, old hand, man of business, man of the world, nice hand, good hand, clean hand, practiced hand, experienced eye, experienced hand, marksman, good shot, dead shot, crack shot, ropedancer, funambulist, acrobat, cunning man, conjuror, wizard, genius, mastermind, master head, master spirit, cunning blade, sharp blade, sharp fellow, jobber, cracksman, politician, tactician, strategist, pantologist, admirable Crichton, Jack of all trades, prodigy of learning.