definition of
[proficient]

[1] #1 proficient s. [adept, expert, good, practiced, 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 b. wn

[2] #2 proficient a. [technical] of or relating to technique or proficiency in a practical skill; "his technical innovation was his brushwork"; "the technical dazzle of her dancing". wn