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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

That left Wembanyama one flagrant foul away from an automatic suspension and the Knicks seized upon the moment of Spurs hesitation to mount a 13-0 scoring run.

From Barron's • Jun. 11, 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

Summer, and all the vacation days and potential travel that implies, is upon us.

From Los Angeles Times • Jun. 8, 2026

The rooms were jammed from morning until night and we were called upon by these old wretches to show our rapping when we should have been out at play in the fresh air.

From "American Spirits" by Barb Rosenstock




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