Obsolete and Old hat

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Obsolete adjective - Having passed its time of use or usefulness.

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Old hat is a synonym for obsolete in outdated topic. In some cases you can use "Old hat" instead an adjective "Obsolete". informal substitute

Definitions of Obsolete not found.

Obsolete is a synonym for old hat in out of date topic. You can use "Obsolete" instead an adjective phrase "Old hat".

Cite this Source

Old hat and Obsolete. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/obsolete/old_hat

Obsolete & Old hat. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/obsolete/old_hat>.

Old hat or Obsolete. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/obsolete/old_hat.

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