Adjective

• 1. not made more desirable or valuable or profitable; especially not made ready for use or marketing;

  "taxes on unimproved land are low"

  "unimproved dirt roads"

• 2. (of land) not cleared of trees and brush; in the wild or natural state;

  "a farm with 50 acres of unimproved and 68 acres of improved land"

  "unimproved woodlands"