The definition of proficient is being skilled or good at something.adjective
An example of proficient is an Olympic athlete.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: L proficiens, prp. of proficere, to advance < pro-, forward + facere, to make: see pro- & do
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Origin: Latin prōficiēns, prōficient-, present participle of prōficere, to make progress; see profit.
- pro·fiˈcient·ly adverb