Old
Old adjective - Having been such at some previous time.
Usage example: I ran into my old fourth-grade teacher yesterday
Once is a synonym for old in time topic. In some cases you can use "Once" instead the word "Old" as an adjective or an adverb, when it comes to topics like bygone, former, precede. obsolete substitute
Once
Once adjective - Having been such at some previous time.
Usage example: the once child star is now a lawyer in the entertainment industry
Mutual synonyms
Cite this Source
Once and Old. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/old/once
Old & Once. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/old/once>.
Once or Old. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/old/once.
Google Ngram Viewer shows how "old" and "once" have occurred on timeline