Dictionary.com
Thesaurus.com
Showing results for improvement. Search instead for improvement projects.
Synonyms

improvement

American  
[im-proov-muhnt] / ɪmˈpruv mənt /

noun

  1. an act of improving or the state of being improved.

  2. a change or addition by which a thing is improved.

  3. 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.

    Synonyms:
    advancement, betterment, refinement
  4. a bringing into a more valuable or desirable condition, as of land or real property; betterment.

    Synonyms:
    repair, enhancement
  5. something done or added to real property that increases its value.

  6. profitable use, as of a period of time.


improvement British  
/ ɪmˈpruːvmənt /

noun

  1. the act of improving or the state of being improved

  2. something that improves, esp an addition or alteration

  3. alteration of the structure, fixtures, fittings, or decor of a building without changing its function Compare conversion

  4. (usually plural) 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

Other Word Forms

  • nonimprovement noun
  • preimprovement noun

Etymology

Origin of improvement

First recorded in 1400–50; late Middle English improuement, from Anglo-French emprouement “something profitable (especially exploitation of land)”; see improve, -ment

Explanation

When there's improvement, something is getting better. Going from a C to an A in math is an improvement. If you want to improve something, you've got to make improvements. Lots of people strive for personal improvement: maybe it's losing a few pounds for an improvement in their appearance, or reading more for an improvement in intelligence. Businesses look for improvement in customer service or profitability. Any change for the better or step in the right direction is an improvement.

Keep Reading on Vocabulary.com

Vocabulary lists containing improvement

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Rivian on Thursday also reported a first-quarter adjusted loss before interest, taxes, depreciation and amortization of $472 million, an 8% improvement compared to expectations, according to FactSet.

From MarketWatch • Apr. 30, 2026

That marked an improvement on its loss of $14.35 a share a year ago, but fell below the $7.29 loss analysts had expected, according to FactSet.

From Barron's • Apr. 29, 2026

The thinking, though, is Chief Wallabee gained experience in those races and has room for improvement.

From Los Angeles Times • Apr. 29, 2026

The Carney-led government delivered an economic update showing a C$60 billion fiscal improvement over five years.

From The Wall Street Journal • Apr. 28, 2026

“That at least is an improvement on past centuries, don’t you agree?”

From "Inkheart" by Cornelia Funke