Improved and Retarded

Improved

Improved adjective - Being far along in development.
Usage example: an improved version of the software is now available

Retarded is an antonym for improved.

Retarded

Retarded adjective - Relatively slow in mental or emotional or physical development.

Improved is an antonym for retarded.

Nearby Words: retardation, retarding
Cite this Source
Retarded and Improved. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/improved/retarded
Improved & Retarded. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/improved/retarded>.
Retarded or Improved. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/improved/retarded.
Google Ngram Viewer shows how "improved" and "retarded" have occurred on timeline