AskDefine | Define improvement

Dictionary Definition



1 the act of improving something; "their improvements increased the value of the property"
2 a change for the better; progress in development [syn: betterment, advance]
3 a condition superior to an earlier condition; "the new school represents a great improvement" [syn: melioration] [ant: decline]

User Contributed Dictionary




  1. 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.
    "I look upon your city as the best place of improvement." -South.
    "Exercise is the chief source of improvement in all our faculties." -Blair.
  2. 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.
    "A good improvement of his reason." -S. Clarke.
    "I shall make some improvement of this doctrine." -Tillotson.
  3. The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old.
    "The parts of Sinon, Camilla, and some few others, are improvements on the Greek poet." -Addison.
  4. Increase; growth; progress; advance.
    "There is a design of publishing the history of architecture, with its several improvements and decays." -Addison.
    "Those vices which more particularly receive improvement by prosperity." -South.
  5. (plural): Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on premises.
  6. (Patent Laws): A useful addition to, or modification of, a machine, manufacture, or composition.


  • Czech: zlepšení
  • French: amélioration
  • German: Verbesserung
  • Hebrew: השתלמות
  • Romanian: îmbunătăţire

Extensive Definition

Improve means to make something better. It may also refer to:


wikt improver


wikt improved


wikt improvement

See also

improvement in Korean: 개선

Synonyms, Antonyms and Related Words

about-face, accommodation, adaptation, adjustment, advance, alteration, amelioration, amendment, apostasy, apprenticeship, basic training, betterment, break, breaking, breeding, change, change of allegiance, change of heart, change of mind, changeableness, conditioning, constructive change, continuity, convalescence, conversion, cultivation, defection, degeneration, degenerative change, deterioration, development, deviation, difference, discipline, discontinuity, divergence, diversification, diversion, diversity, drill, drilling, enhancement, exercise, fetching-up, fitting, flip-flop, fostering, gain, gradual change, grooming, housebreaking, in-service training, increase, instauration, manual training, melioration, military training, mitigation, modification, modulation, new birth, nurture, nurturing, on-the-job training, overthrow, practice, preparation, progress, qualification, radical change, raising, re-creation, reactivation, readying, realignment, rearing, rebirth, reclamation, reconstitution, reconversion, recovery, recrudescence, recuperation, redemption, redesign, redintegration, reenactment, reestablishment, reform, reformation, regeneration, rehabilitation, rehearsal, reinstatement, reinstation, reinstitution, reinvestiture, reinvestment, remaking, renascence, renewal, repair, replacement, reshaping, restitution, restoration, restructuring, reversal, reversion, revival, revivification, revolution, rise, shift, sloyd, sudden change, switch, total change, training, transition, turn, turnabout, upbringing, upgrading, upheaval, upswing, variation, variety, violent change, vocational education, vocational training, worsening
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