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upon

[uh-pon, uh-pawn] / əˈpɒn, əˈpɔn /
PREPOSITION
at the time of
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Both countries have exchanged strikes for a second consecutive day, putting more strain on a fragile ceasefire arrived upon in April.

From BBC • Jun. 11, 2026

In moments when opportunity is cloaked in nuance, we have long relied upon John Marshall, Goldman Sachs’ derivatives strategist.

From Barron's • Jun. 10, 2026

“Pretend You’re Dead and I Carry You” alchemized those months of research, plus a decade of drafts, residencies at the Headland Center for the Arts and Hedgebrook, as well as notebooks upon notebooks.

From Los Angeles Times • Jun. 9, 2026

That is exactly what another academic study found upon measuring the stock market’s performance during World Cups between 1950 and 2007: The U.S. stock market produced an average loss of 2.6% during those tournaments.

From MarketWatch • Jun. 9, 2026

“I used this telescope,” she said, flying over to the ship’s bow and perching upon a long brass tube mounted on a tripod.

From "The Very, Very Far North" by Dan Bar-el




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