Main entry: improved
Definition: made more desirable or valuable or profitable; especially made ready for use or marketing
Usage: new houses are springing up on an improved tract of land near the river; an improved breed
Antonyms: unimproved
Definition: not made more desirable or valuable or profitable; especially not made ready for use or marketing
Antonyms: undeveloped
Definition: not developed
Main entry: improved
Definition: become or made better in quality
Usage: was proud of his improved grades; an improved viewfinder
Definition: grow worse
Antonyms: worsen, exacerbate, exasperate, aggravate
Definition: make worse
Antonyms: worse
Definition: (comparative of `bad') inferior to another in quality or condition or desirability
Definition: changed for the worse in health or fitness
Main entry: improved
Definition: (of land) made ready for development or agriculture by clearing of trees and brush
Usage: improved farmlands
Antonyms: uncleared
Definition: not cleared; not rid of objects or obstructions