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Synonyms

improvement

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

noun

  • improvements
    plural
  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

Derived Forms

Inflected Forms

Nouns

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.

See Examples For:

For this group, including the calcium score produced a more meaningful improvement in predicting future cardiovascular events.

From Science Daily Sep. 12, 2026

That study found only modest improvement for the AI-tutored group.

From The Wall Street Journal Sep. 11, 2026

Matthews called that poise Iamaleava’s greatest improvement since the duo arrived in Westwood last year.

From Los Angeles Times Sep. 11, 2026

All say they are investing in extra capacity, working through backlogs and redesigning pathways, and are already seeing early signs of improvement.

From BBC Sep. 10, 2026

Sometimes I’d find him in home improvement, sometimes in philosophy, sometimes in fiction, his arms straining under the weight of all the books he was considering buying.

From "We Are the Ants" by Shaun David Hutchinson

Even if you have a model as old as the iPhone 11, there’s plenty of practical improvements for you in iOS 27, not to mention performance boosters, such as up to 80% faster AirDrop transfers.

From The Wall Street Journal Sep. 14, 2026

He added: "Without improvements to candidate safety, there is a significant risk that people will be put off standing in future elections."

From BBC Sep. 14, 2026

While vaccination rates in Ohio have fallen, Cleveland is making improvements — rates for children entering kindergarten there have jumped from 68 percent a few years ago to 76 percent this past school year.

From Salon Sep. 12, 2026

De Paula pointed to improvements across the board — defensively, physically, mentally.

From Los Angeles Times Sep. 12, 2026

From 1963 to 1966, significant improvements on this early system were made by scientist Martin Klein, generally considered to be the “father” of commercial side-scan sonar.

From "Shipwrecked!" by Martin W. Sandler

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