<p><strong>Adjective</strong></p><ul><li>not developed to full potential, as resources or the mind.</li><li>not showing improvement, as one's health, appearance, etc.</li><li>(of land) not fitted for a profitable use, as by clearing, cultivation, addition of facilities for dwelling or business purposes, or the like.</li><li>not used to advantage; neglected: an unimproved opportunity.</li><li>(of animal or plant species) not made more useful or attractive by selective breeding or cultivation.</li><li>not enhanced; not increased: Our chance of success is unimproved.</li></ul>