n. | 1. | One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; |
a. | 1. | Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept, |
Adj. | 1. | proficient - 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" |