Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The act or process of improving.
  • noun The state of being improved.
  • noun A change or addition that improves.

from The Century Dictionary.

  • noun The act of improving or making better, or the state of being made better; advancement or increase in any good quality; betterment.
  • noun Profitable use or employment; practical or advantageous application: as, the improvement of one's time.
  • noun Use; practice; indulgence.
  • noun A betterment; that by which the value or excellence of a thing is enhanced; a beneficial or valuable change or addition.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration
  • noun The act of making profitable use or applicaton of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse.
  • noun The state of being improved; betterment; advance; also, that which is improved.
  • noun Increase; growth; progress; advance.
  • noun Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on land or premises.
  • noun (Patent Laws) A useful addition to, or modification of, a machine, manufacture, or composition.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc.
  • noun The act of making profitable use or application of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse.
  • noun The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old.
  • noun Increase; growth; progress; advance.
  • noun plural : Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on premises.
  • noun : A useful addition to, or modification of, a machine, manufacture, or composition.

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

  • noun the act of improving something
  • noun a change for the better; progress in development
  • noun a condition superior to an earlier condition

Etymologies

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