im·​prove·​ment | \im-ˈprüv-mənt \

Definition of improvement 

1 : the act or process of improving

2a : the state of being improved especially : enhanced value or excellence

b : an instance of such improvement : something that enhances value or excellence

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Synonyms & Antonyms for improvement


advance, advancement, breakthrough, enhancement, refinement



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Examples of improvement in a Sentence

Doctors were amazed by the sudden improvement in her medical condition. I've noticed a significant improvement in your work since the spring. The editor made some improvements to the article before it was printed. They spent the money on new kitchen cabinets and other home improvements.
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Recent Examples on the Web

Qualcomm is focusing on several key areas for improvement with the Snapdragon 855, including connectivity, the camera, artificial intelligence, entertainment, and more. Chaim Gartenberg, The Verge, "Qualcomm’s Snapdragon 855 promises big improvements to AI, performance, and connectivity," 5 Dec. 2018 Evidently, there is still much room for improvement as consumers continue to embrace online shopping. Jenny Xie, Curbed, "Why your Ikea shopping experience may be changing soon," 26 Nov. 2018 But even though things are getting better, there’s still a lot of room for improvement. Julia Belluz, Vox, "A huge database of scientific retractions is live. That’s great for science.," 29 Oct. 2018 There are guidelines available for treating sepsis patients, but the numbers suggest there's still considerable room for improvement. John Timmer, Ars Technica, "AIs trained to help with sepsis treatment, fracture diagnosis," 27 Oct. 2018 There's still room for improvement in the representation category, of course. Jennifer Lance, Glamour, "Emmys 2018 Winners List: The Marvelous Mrs. Maisel Won Big," 17 Sep. 2018 Still, there are quite a lot of similarities here, with enough changes to satisfy users looking for improvements. Ian Paul, PCWorld, "Bitdefender Total Security 2019 review: This AV suite builds a better autopilot," 13 Sep. 2018 The men and women of the law enforcement and intelligence communities certainly have room for improvement, but I have been consistently impressed by their dedication to duty and sense of responsibility. Chris Stirewalt, Fox News, "The GOP's Pollyanna problem," 20 Aug. 2018 Obviously there's a lot of room for improvement but maybe that's for the best. Eric Limer, Popular Mechanics, "Neural Net Will Draw a Horrifyingly Awful Picture of Whatever You Want," 17 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'improvement.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of improvement

circa 1550, in the meaning defined at sense 1

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Statistics for improvement

Last Updated

12 Dec 2018

Look-up Popularity

Time Traveler for improvement

The first known use of improvement was circa 1550

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More Definitions for improvement



English Language Learners Definition of improvement

: the act of improving something : the act or process of making something better

: the quality of being better than before

: an addition or change that makes something better or more valuable


im·​prove·​ment | \im-ˈprüv-mənt \

Kids Definition of improvement

1 : the act or process of making something better His cooking needs improvement.

2 : increased value or excellence I've noticed improvement in your work.

3 : an addition or change that makes something better or more valuable We made improvements to our house.



Legal Definition of improvement 

: a usually permanent addition to or modification of real property that enhances its capital value and is distinguished from an ordinary repair in being designed to make the property more useful or valuable

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Comments on improvement

What made you want to look up improvement? Please tell us where you read or heard it (including the quote, if possible).


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