1. an example of improving or being improved: "an improvement in East–West relations"
▪ the action of improving or being improved: "there's still room for improvement"
▪ a thing that makes something better or is better than something else:"home improvements"
Word Originlate Middle Englishemprowement (in the sense ‘profitable management or use; profit’), from Anglo-Norman French, from emprower (see improve).