Outdated
Outdated adjective - Having passed its time of use or usefulness.
Old hat is a synonym for outdated in old-fashioned topic. In some cases you can use "Old hat" instead an adjective "Outdated". informal substitute
Old hat
Outdated is a synonym for old hat in out of date topic. You can use "Outdated" instead an adjective phrase "Old hat". popular alternative
Mutual synonyms
Related pairs
Cite this Source
Old hat and Outdated. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/outdated/old_hat
Outdated & Old hat. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/outdated/old_hat>.
Old hat or Outdated. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/outdated/old_hat.
Google Ngram Viewer shows how "outdated" and "old hat" have occurred on timeline