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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.

But worse yet, they said, the outcome “would cast a shadow over the citizenship of millions upon millions of Americans, going back generations.”

From Los Angeles Times • Apr. 1, 2026

He was also convicted of possessing a knife, which police found upon arrest.

From BBC • Mar. 31, 2026

Through a trust, he also indirectly controls voting shares that represent nearly 46 million common shares upon conversion.

From MarketWatch • Mar. 31, 2026

Does a state “enforce orthodoxy” when it insists upon swift treatment for bone fractures?

From Slate • Mar. 31, 2026

The bear squinted, as if he’d stumbled upon some place he was not meant to be.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman