improve
Americanverb (used with object)
-
to bring into a more desirable or excellent condition.
He took vitamins to improve his health.
- Antonyms:
- worsen
-
to make (land) more useful, profitable, or valuable by enclosure, cultivation, etc.
-
to increase the value of (real property) by betterments, as the construction of buildings and sewers.
-
to make good use of; turn to account.
He improved the stopover by seeing a client with offices there.
verb (used without object)
-
to increase in value, excellence, etc.; become better.
The military situation is improving.
- Antonyms:
- worsen
-
to make improvements, as by revision, addition, or change.
None of the younger violinists have been able to improve on his interpretation of that work.
verb
-
to make or become better in quality; ameliorate
-
(tr) to make (buildings, land, etc) more valuable by additions or betterment
-
(intr; usually foll by on or upon) to achieve a better standard or quality in comparison (with)
to improve on last year's crop
noun
Usage
What are other ways to say improve?
To improve something is to bring it into a more desirable or excellent condition. How is improve different from the verbs ameliorate and better? Find out on Thesaurus.com.
Other Word Forms
- improvability noun
- improvable adjective
- improvableness noun
- improvably adverb
- improver noun
- improvingly adverb
- preimprove verb (used with object)
- quasi-improved adjective
- superimproved adjective
- well-improved adjective
Etymology
Origin of improve
First recorded in 1425–75; late Middle English improuen, emprouen from Anglo-French emprouer “to turn (something) into profit,” derivative of phrase en prou “into profit,” equivalent to en ( en- 1 ) + prou, Old French prou, preu from Late Latin prōde (est), by reanalysis of Latin prōdest “(it) is beneficial, of use,” with prōde taken as a neuter noun ( proud ); the sound v was made by association with prove, approve
Explanation
When you improve something, you make it better. For example, you can improve your harmonica playing with practice. Be happy when you see this word, because something is getting better — improving. Getting a tutor will usually improve your grades. Sleeping well improves your health and alertness. A haircut could improve your looks. Painters have to decide whether a painting is finished or if it can still be improved. Voters decide which candidate will improve the nation. Sometimes a sick patient will mysteriously improve. The opposite of improve is worsen or deteriorate.
Vocabulary lists containing improve
"Hitching a Ride"
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"Brothers in Hope"
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Excerpt from "Do Something!"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To test whether removing these cells could improve health, the team treated mice with ABT-263, a drug designed to selectively eliminate senescent cells.
From Science Daily • Apr. 16, 2026
HoldCo Asset Management, the Fort Lauderdale, Fla.–based activist hedge fund known for engaging in campaigns to improve underperforming banks, is zeroing in on two new targets after its most active year yet.
From Barron's • Apr. 16, 2026
“FirstNet Authority must improve its oversight of AT&T,” the report determined.
From The Wall Street Journal • Apr. 16, 2026
“These deals will only further exacerbate LAUSD’s financial problems and do nothing to improve the delivery of education for their declining student base.”
From Los Angeles Times • Apr. 15, 2026
Khrushchev became interested in communism, which he believed would improve life for workers and their families.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
