In and Old hat

In

In adjective - Being in the latest or current fashion.

Old hat is an antonym for in.

Old hat

Definitions of In not found.

In is an antonym for old hat.
Cite this Source
Old hat and In. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/in/old_hat
In & Old hat. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/in/old_hat>.
Old hat or In. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/in/old_hat.
Google Ngram Viewer shows how "in" and "old hat" have occurred on timeline