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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.

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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.

The improvement is most evident in places with service-based economies such as Indianapolis, Columbus and Des Moines.

From The Wall Street Journal • May 25, 2026

"Obviously when you listen to some of the radio comms, I think there is room for improvement," said Wolff.

From BBC • May 25, 2026

Wolves were showing some signs of improvement back then, but they could not sustain it.

From BBC • May 22, 2026

However, the bank believes much of this improvement is already priced in.

From The Wall Street Journal • May 22, 2026

He had gone inside the cottage as soon as Mona came out, and he had been relieved to see some improvement.

From "Huntress" by Malinda Lo

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