im·​prove·​ment | \ im-ˈprüv-mənt How to pronounce improvement (audio) \

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

The funds from the bonds were used for fire prevention, health and safety improvements, renovating classrooms and other facilities updates, according to Tom Parillo, assistant superintendent of finance and operations. Taylor Hartz,, "Ridgewood High School anticipates $1.5 million savings by refinancing bonds," 16 Sep. 2019 While there were noticeable improvements in the product FSU put on field, particularly with the defense and special-teams unit, Taggart said there were noticeable miscues. Chaunte'l Powell,, "Willie Taggart says FSU is improving, cites reasons for optimism," 16 Sep. 2019 Requests for safety improvements along Riverside went largely unheeded for years, said David De La Torre, chairman of the Elysian Valley Neighborhood Watch. Los Angeles Times, "Pedestrians die every 90 minutes in the U.S., and low-income areas are hurt most," 16 Sep. 2019 Jeff Faraudo of Cal Bears Maven: Cal’s prospects in the Pac-12 hinge on improvement by the offense. oregonlive, "It might be raining today, but everything looks brighter for the Oregon State Beavers: Issues & Answers," 15 Sep. 2019 The safety board placed primary blame on Sound Transit, which owns the $181 million corridor, for failing to require safety improvements near the curve, where the 80 mph speed limit dropped to 30 mph. Seattle Times Staff, The Seattle Times, "Jury awards $17 million to 3 plaintiffs in deadly Amtrak derailment," 14 Sep. 2019 The iPhone 11 looks like a merely incremental improvement on the models that have gone before it. The Economist, "Tim Cook tries to reduce Apple’s dependence on devices," 12 Sep. 2019 Two key improvements attorneys and survivors have advocated were not addressed in Lyft’s announcement: in-car recordings and better driver background checks. Cara Kelly, USA TODAY, "Lyft announces safety changes amid sexual assault and rape allegations," 11 Sep. 2019 While an improvement, only 7 B-1B bombers are currently ready for action. Kyle Mizokami, Popular Mechanics, "The B-1B Bomber Could Bulk Up on Long-Range Weapons," 11 Sep. 2019

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

17 Oct 2019

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 How to pronounce improvement (audio) \

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).


a topic to which one constantly reverts

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