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improve

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The definition of improve is to make something or someone better, or to become better.

(verb)

An example of improve is when you make a new product that is better than the old one.
An example of improve is when you practice piano until you learn to play better.

See improve in Webster's New World College Dictionary

Now Rare to use profitably or to good advantage: to improve one's leisure by studying
to raise to a better quality or condition; make better
☆ to make (land or structures) more valuable by cultivation, construction, etc.

Origin: earlier improw < Anglo-Fr emprower < en-, in + prou, gain, advantage < LL prode, advantage (back-form. < L prodesse, to be of advantage): see pro- & is

intransitive verb

to become better in quality or condition

Related Forms:

improvability noun
improvable adjective
improver noun

See improve in American Heritage Dictionary 4

verb im·proved, im·prov·ing, im·proves

verb, transitive

To raise to a more desirable or more excellent quality or condition; make better.
To increase the productivity or value of (land or property).
To put to good use; use profitably.

verb, intransitive