D defs.my
Entry 2 senses · 2 variants Webster, 1913

Proficient

/präf-ĭsh'-ənt/ · Pro·fi·cient · IPA /pɹoʊˈfɪʃ.ənt/
01 n. One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade…
  1. 1.
    One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.
02 a. Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,
  1. 1.
    Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,