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[im-proov-muh nt] /ɪmˈpruv mənt/
an act of improving or the state of being improved.
a change or addition by which a thing is improved.
a person or thing that represents an advance on another in excellence or achievement:
The new landlord is a great improvement over his greedy predecessor.
a bringing into a more valuable or desirable condition, as of land or real property; betterment.
something done or added to real property that increases its value.
profitable use, as of a period of time.
late Middle English
1400-50; late Middle English improuement < Anglo-French emprouement something profitable (especially exploitation of land). See improve, -ment
Related forms
nonimprovement, noun
preimprovement, noun
3. refinement, betterment, advancement. 4. enhancement, repair. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for improvements
  • Many content adjustments and customer service improvements are made based on the data derived from cookies.
  • New construction work is underway on visitor improvements and four other historic buildings.
  • More updates and improvements are scheduled but were not ready at the time of the big unveiling.
  • Please send us your comments or suggestions for improvements.
  • Editors here are always willing to make improvements in the cause of writing.
  • And almost inevitably he would call the next morning with two or three small improvements.
  • It hasn't created enough jobs, and it hasn't produced revolutionary improvements in manufacturing and productivity.
  • The landlords cleaned the building and began making improvements in order to raise our rents.
  • If aid programs don't result in measurable improvements in developing countries, it argues, their budgets should be curtailed.
  • improvements in human rights have occurred and there is a largely free press.
British Dictionary definitions for improvements


the act of improving or the state of being improved
something that improves, esp an addition or alteration
alteration of the structure, fixtures, fittings, or decor of a building without changing its function Compare conversion (sense 9)
(usually pl) (Austral & NZ) a building or other works on a piece of land, adding to its value
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for improvements



mid-15c., enprowment "management of something for profit," from Anglo-French emprowement, from emprouwer "turn to profit" (see improve). Meaning "betterment; amelioration" is from 1640s. Meaning "buildings, etc. on a piece of property" is from 1773. Related: Improvements.

Online Etymology Dictionary, © 2010 Douglas Harper
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