Synonyms of improvement
1
: the act or process of improving
improvement in the patient's condition
2
a
: the state of being improved
especially : enhanced value or excellence
I've noticed improvement in your work.
b
: an instance of such improvement : something that enhances value or excellence
The editor made some improvements to the article.

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to his resume for the superintendent role, Villalobos oversaw improvement in the school district’s South Region during his tenure. Austin Horn july 30, Miami Herald, 30 July 2026 The final report noted fewer technical areas needing improvement compared to the previous evaluation conducted in 2022. Aman Tripathi, Interesting Engineering, 29 July 2026 About Lowe’s windows Lowe’s, tracing its roots back to North Wilkesboro Hardware in 1929, went public in 1961 and has since grown into the second largest home improvement retailer in the world. Jason Rueger, USA Today, 29 July 2026 Octapharma also will receive a $65 million state grant to help with site preparation, construction and road improvements. John Marks, Charlotte Observer, 29 July 2026 See All Example Sentences for improvement

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of improvement was in the 15th century

Browse Nearby Words

Cite this Entry

“Improvement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/improvement. Accessed 2 Aug. 2026.

Kids Definition

improvement

noun
1
: the act or process of improving
2
a
: increased value or excellence
b
: something that adds to the value or appearance (as of a house)

Legal Definition

improvement

noun
im·​prove·​ment
: 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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