Not improved
Unimproved and not improved are semantically related. In some cases you can use "Unimproved" instead an adjective phrase "Not improved".
Unimproved
Unimproved adjective - Not made more desirable or valuable or profitable; especially not made ready for use or marketing.
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Synonyms for Unimproved
Not improved and unimproved are semantically related. You can use "Not improved" instead an adjective "Unimproved".
Nearby Word: unimprovable
Mutual synonyms
Cite this Source
Unimproved and Not improved. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/not_improved/unimproved
Not improved & Unimproved. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/not_improved/unimproved>.
Unimproved or Not improved. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/not_improved/unimproved.
Google Ngram Viewer shows how "not improved" and "unimproved" have occurred on timeline