Down
Upon
Upon preposition - In or into contact with.
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Synonyms for Upon
Down and upon are semantically related in on topic. Sometimes you can use "Down" instead a preposition "Upon", if it concerns topics such as over.
Both words in one sentence
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The King's Speech Immediately upon the death of King George V, his eldest son David (the future Edward VIII) breaks down sobbing over his mother, Queen Mary.
Source: The Un-Hug -
Nonstandard Game Over: Allowing the timer to expire at the start of stage 6 causes your ship to shut down and plummet to Earth, where it is immediately set upon by German forces.
Source: Video Game / Einhänder - Julius Caesar also features Cassius, who, upon hearing that it looks like the battle is going badly for his friend Titinius down the hill, kills himself.
Source: Narm / Theater
Cite this Source
Upon and Down. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/down/upon
Down & Upon. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/down/upon>.
Upon or Down. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/down/upon.
Google Ngram Viewer shows how "down" and "upon" have occurred on timeline