unimproved definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- not bettered, improved, or developed: unimproved land, with no buildings on it
- not used to good advantage
- not improved in health
unimproved definition by American Heritage Dictionary
- Not improved; not made better.
- Not made use of or put to advantage.
- Not built on or cultivated so as to increase in value. Used of land.