unimproved (Adjective) — Not made more desirable or valuable or profitable; especially not made ready for use or marketing. ex. "taxes on unimproved land are low" ex. "unimproved dirt roads"
unimproved (Adjective) — (of land) not cleared of trees and brush; in the wild or natural state. ex. "a farm with 50 acres of unimproved and 68 acres of improved land" ex. "unimproved woodlands"