The Collaborative International Dictionary
Unimproved \Un`im*proved"\, a.
Not improved; not made better or wiser; not advanced in knowledge, manners, or excellence.
Not used; not employed; especially, not used or employed for a valuable purpose; as, unimproved opportunities; unimproved blessings.
--Cowper.Not tilled, cultivated, or built upon; yielding no revenue; as, unimproved land or soil.
Douglas Harper's Etymology Dictionary
Wiktionary
a. Not improved
WordNet
adj. 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" [ant: improved]
(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"
Usage examples of "unimproved".
Blotted at once from existence, and the fair creation, he sinks into silence and oblivion, with all his sublime hopes disappointed, all his immense desires ungratified, and all his intellectual faculties unimproved.
For as Jones had really that taste for humour which many affect, he expected to enjoy much entertainment in the criticisms of Partridge, from whom he expected the simple dictates of nature, unimproved, indeed, but likewise unadulterated, by art.
The dragging tailpipe struck sparks along unimproved patches of the Connecticut Turnpike and they had been honked out of the way by salesman types, young men in company subcompacts who were beginning to feel the pinch themselves, Alden said.
Astor did not think fit to renew his overtures in a more formal manner, and the favorable moment for the re-occupation of Astoria was suffered to pass unimproved.
He could not understand how his father, with his years of business experience, especially in investments in unimproved land, could have gotten on to such a bum steer.
It was an obvious application of the new agent and accomplished with the old classical and unimproved induction coil, scarcely anything more than another kind of heliography.