transitive verb-·proved′, -·prov′ing
- 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 of improveearlier improw from Anglo-French emprower from en-, in + prou, gain, advantage from Late Latin prode, advantage (back-form. from Classical Latin prodesse, to be of advantage): see pro- and is