from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The state or quality of being proficient; competence.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Ability, skill, competence.
  • n. Knowledge.

from The Century Dictionary and Cyclopedia

  • n. Advancement; progress.
  • n. The state of being proficient; the degree of advancement attained in any branch of knowledge; advance in the acquisition of any art, science, or knowledge; improvement: as, to attain great proficiency in Greek or in music.
  • n. Synonyms Advance, etc. (see progress), skill.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. skillfulness in the command of fundamentals deriving from practice and familiarity
  • n. the quality of having great facility and competence


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin proficientem, from proficere.



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