Outdated
Outdated adjective - Having passed its time of use or usefulness.
Usage example: an outdated rotary telephone
Old is a synonym for outdated in old-fashioned topic. In some cases you can use "Old" instead an adjective "Outdated", when it comes to topics like new.
Old
Old adjective - Being of advanced years and especially past middle age.
Outdated is a synonym for old in out of date topic. You can use "Outdated" instead an adjective "Old", if it concerns topics such as old-fashioned, new.
Mutual synonyms
Cite this Source
Old and Outdated. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/outdated/old
Outdated & Old. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/outdated/old>.
Old or Outdated. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/outdated/old.
Google Ngram Viewer shows how "outdated" and "old" have occurred on timeline