Variant of improve
- 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
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