[ uhn-im-proovd ]
See synonyms for unimproved on Thesaurus.com
  1. not developed to full potential, as resources or the mind.

  2. not showing improvement, as one's health, appearance, etc.

  1. (of land) not fitted for a profitable use, as by clearing, cultivation, addition of facilities for dwelling or business purposes, or the like.

  2. not used to advantage; neglected: an unimproved opportunity.

  3. (of animal or plant species) not made more useful or attractive by selective breeding or cultivation.

  4. not enhanced; not increased: Our chance of success is unimproved.

Origin of unimproved

First recorded in 1665–70; un-1 + improve + -ed2

Words Nearby unimproved

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use unimproved in a sentence

  • By thus dividing off woodlands from other unimproved farm lands more attention was concentrated upon the former.

    Our National Forests | Richard H. Douai Boerker
  • Yet even these grievances paled in actual hardship beside the results of holding the vast waste areas unimproved.

    The Canadian Dominion | Oscar D. Skelton

British Dictionary definitions for unimproved


/ (ˌʌnɪmˈpruːvd) /

  1. not improved or made better

  2. (of land) not cleared, drained, cultivated, etc

  1. neglected; unused: unimproved resources

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012