Not improved
Original and not improved are semantically related. In some cases you can use "Original" instead an adjective phrase "Not improved".
Original
Original adjective - Coming before all others in time or order.
Not improved and original are semantically related. You can use "Not improved" instead an adjective "Original".
Mutual synonyms
Cite this Source
Original and Not improved. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/not_improved/original
Not improved & Original. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/not_improved/original>.
Original or Not improved. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/not_improved/original.
Google Ngram Viewer shows how "not improved" and "original" have occurred on timeline