Past
Past adjective - Having been such at some previous time.
Upon and past are semantically related. In some cases you can use "Upon" instead a preposition "Past".
Upon
Both words in one sentence
-
Attacked by the Gokaigers using past teams' Super Modes, including Silver using another Finishing Move (one that draws upon the power of 15 past heroes, no less).
Source: Rasputinian Death -
Luffy's past, after nearly 500 episodes, actually gets expanded upon - which the anime is using to to fill up as much time as possible.
Source: Troubled Backstory Flashback - This Is Gonna Suck: The very first thing the Critic says upon starting the game is, "I'll be running from this game too," upon seeing Bart running past the Aklaim Entertainment logo screaming.
Cite this Source
Upon and Past. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/past/upon
Past & Upon. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/past/upon>.
Upon or Past. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/past/upon.
Google Ngram Viewer shows how "past" and "upon" have occurred on timeline