Old hat
Mutual synonyms
Cite this Source
Square and Old hat. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/old_hat/square
Old hat & Square. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/old_hat/square>.
Square or Old hat. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/old_hat/square.
Google Ngram Viewer shows how "old hat" and "square" have occurred on timeline