adjective
1. made more desirable or valuable or profitable; especially made ready for use or marketing (Freq. 3)
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new houses are springing up on an improved tract of land near the river
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an improved breed
• Ant: ↑unimproved
• Similar to: ↑built, ↑reinforced, ↑developed, ↑landscaped
2. become or made better in quality (Freq. 2)
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was proud of his improved grades
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an improved viewfinder
• Similar to: ↑better
3. (of land) made ready for development or agriculture by clearing of trees and brush
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improved farmlands
• Similar to: ↑cleared
Useful english dictionary. 2012.