✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

improve

verb

im·​prove im-ˈprüv How to pronounce improve (audio)
improved; improving

transitive verb

1
a
: to enhance in value or quality : make better
improved sales
a treatment to improve the patient's chances of survival
b
: to increase the value of (land or property) by making it more useful for humans (as by cultivation or the erection of buildings)
c
: to grade and drain (a road) and apply surfacing material other than pavement
2
: to use to good purpose
3
archaic : employ, use

intransitive verb

1
: to advance or make progress in what is desirable
their test scores improved
2
: to make useful additions or amendments
improvable adjective
improver noun
Phrases
improve on or improve upon
: to do better than
It's hard to improve on last year's record.
Choose the Right Synonym for improve

improve, better, help, ameliorate mean to make more acceptable or to bring nearer a standard.

improve and better are general and interchangeable and apply to what can be made better whether it is good or bad.

measures to further improve the quality of medical care
immigrants hoping to better their lot

help implies a bettering that still leaves room for improvement.

a coat of paint would help that house

ameliorate implies making more tolerable or acceptable conditions that are hard to endure.

tried to ameliorate the lives of people in the tenements

Examples of improve in a Sentence

This operation will greatly improve her chances of survival. The advertising campaign has improved sales. Maybe we'll buy a house when our financial situation improves. Her writing has improved since the beginning of the school year. The company has been having steadily improving sales.
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.
Advertisement Living from a posture of thankfulness improves sleep, stabilizes emotions, sharpens memory, and can even add years to your life. Dr. Daniel Amen, Time, 26 Nov. 2025 Others do it on purpose, hoping to lose weight or boost their health by improving things like blood sugar control. Jillian Kubala, Health, 26 Nov. 2025 The robotic head demonstration was created to show how advanced sensing and AI integration can improve real-time robotic perception. Atharva Gosavi, Interesting Engineering, 26 Nov. 2025 The team also improved to 46-34 in AP top-25 showdowns under coach Rick Barnes, including 39-28 with both in the top 20. Gary Bedore, Kansas City Star, 26 Nov. 2025 See All Example Sentences for improve

Word History

Etymology

Middle English improuen, emprouen, from Anglo-French emprouer to make profit from, from French en- + pru, prou advantage, from Late Latin prode — more at proud

First Known Use

15th century, in the meaning defined at intransitive sense 2

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

Browse Nearby Words

Cite this Entry

“Improve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/improve. Accessed 27 Nov. 2025.

Kids Definition

improve

verb
im·​prove im-ˈprüv How to pronounce improve (audio)
improved; improving
1
: to make or become better
genetics helps us improve plants
when economic conditions improve
2
: to increase the value of (land or property) by making improvements
3
: to make good use of
improved their time by studying German
4
: to make useful additions or changes
improvable adjective
improver noun

More from Merriam-Webster on improve

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!