Un′im‐proved″ (?), a. 1. Not improved; not made better or wiser; not advanced in knowledge, manners, or excellence.
2. Not used; not employed; especially, not used or employed for a valuable purpose; as, unimproved opportunities; unimproved blessings. Cowper.
3. Not tilled, cultivated, or built upon; yielding no revenue; as, unimproved land or soil.