Once only
Quondam and once only are semantically related. in in the past topic. In some cases you can use "Quondam" instead an adverb phrase "Once only".
Quondam
Quondam adjective - Having been such at some previous time.
Mutual synonyms
Cite this Source
Quondam and Once only. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/once_only/quondam
Once only & Quondam. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/once_only/quondam>.
Quondam or Once only. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/once_only/quondam.
Google Ngram Viewer shows how "once only" and "quondam" have occurred on timeline