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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

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.

And though the majority of fire survivors remain displaced in temporary housing, the report did find that there’s been some improvement for survivors with standing, but damaged, homes.

From Los Angeles Times • May 7, 2026

In Greater China, room revenue growth accelerated to 5.7% after returning to growth in the prior quarter, supported by strong demand over the Chinese New Year festive period and an improvement in business travel.

From The Wall Street Journal • May 7, 2026

The apparent improvement in the labor market, however, still leaves a lot of people behind.

From MarketWatch • May 7, 2026

"In this case, any kind of intervention that can have a beneficial effect on health, you could potentially have a huge improvement in quality of life for the individual."

From Science Daily • May 7, 2026

I knew then that it was she who had been responsible for the improvement in Kuti, not I, not my prayers.

From "Nectar in a Sieve" by Kamala Markandaya