Improved
Improved adjective - Being far along in development.
Twenty-first century and improved are semantically related. In some cases you can use "Twenty-first century" instead an adjective "Improved".
Twenty-first century
Improved and twenty-first century are semantically related. Sometimes you can use "Improved" instead an adjective phrase "Twenty-first century".
Mutual synonyms
Cite this Source
Twenty-first century and Improved. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/improved/twenty-first_century
Improved & Twenty-first century. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/improved/twenty-first_century>.
Twenty-first century or Improved. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/improved/twenty-first_century.