Simple 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
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.
First Known Use of improvement
IMPROVEMENT Defined for Kids
Definition of improvement for Students
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 usu. 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
Seen and Heard
What made you want to look up improvement? Please tell us where you read or heard it (including the quote, if possible).