improvement

noun

im·​prove·​ment im-ˈprüv-mənt 

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.

Synonyms of improvement

• advance
• advancement
• enhancement
• breakthrough
• development

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

In a recent study, Ferveret found that its cooling solution resulted in up to 15 percent improvement in computational power efficiency compared to state-of-the-art immersive cooling techniques. —Ameya Paleja, Interesting Engineering, 11 June 2026

Although many of these internal improvements were blocked by Congress, Adams oversaw construction of many ambitious projects. —New York Times, 11 June 2026

Periods of weight loss deliver real, measurable improvements in blood sugar, blood pressure and lipid levels. —Allison Palmer, Miami Herald, 11 June 2026

By incorporating BrazeAI for rapid sentiment analysis for survey feedback, Nuuly transforms raw data into a continuous loop of brand improvement. —Fairchild Studio, Footwear News, 11 June 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing improvement

• home-improvement
• self-improvement

Rhymes for improvement

• movement

Kids Definition

improvement

noun

im·​prove·​ment im-ˈprüv-mənt 

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