On condition
Upon condition and on condition are semantically related. In some cases you can use "Upon condition" instead an adverb phrase "On condition".
Upon condition
On condition and upon condition are semantically related. You can use "On condition" instead an adverb phrase "Upon condition".
Mutual synonyms
Cite this Source
Upon condition and On condition. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/on_condition/upon_condition
On condition & Upon condition. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/on_condition/upon_condition>.
Upon condition or On condition. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/on_condition/upon_condition.
Google Ngram Viewer shows how "on condition" and "upon condition" have occurred on timeline