improve

verb

im·​prove im-ˈprüv 

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

improvability

(ˌ)im-ˌprü-və-ˈbi-lə-tē 

noun

improvable

(ˌ)im-ˈprü-və-bəl 

adjective

improver noun

see also improve on

Synonyms of improve

• enhance
• help

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

Future studies will focus on improving the model, testing the system in larger groups and examining how real-time physiological data can inform care outside the clinic. —Mayo Clinic News Network, Boston Herald, 25 Jan. 2026

LeBron James scored 11 of his 17 points in the fourth quarter, when Rui Hachimura had a four-point play before another 3-pointer on the next possession to put the Lakers in front for good as Doncic improved to 4-0 against his former team. —Oc Register, 25 Jan. 2026

The snow emergency will remain in place until road conditions improve. —Ryan Hughes, CBS News, 25 Jan. 2026

Lee had 12 points and 12 rebounds as the Mountain West-leading Aztecs improved to 15-3 overall and 9-0 in conference play. —Bill Center, San Diego Union-Tribune, 25 Jan. 2026

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

Phrases Containing improve

• improve on
• improve on/upon
• improve upon

Rhymes for improve

• approve
• disprove
• remove
• reprove
• disapprove
• groove
• move
• prove

Kids Definition

improve

verb

im·​prove im-ˈprüv 

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

-ˈprü-və-bəl 

adjective

improver noun