Outdated and Twenty-first century
Opposite meaning terms
Outdated
Outdated adjective - Having passed its time of use or usefulness.
Twenty-first century is an antonym for outdated.
Twenty-first century
Cite this Source
Twenty-first century and Outdated. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/outdated/twenty-first_century
Outdated & Twenty-first century. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/outdated/twenty-first_century>.
Twenty-first century or Outdated. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/outdated/twenty-first_century.
