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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.

While the U.S. military maintains extensive contingency plans for crises ranging from nuclear attacks to the death of senior leaders, those plans do not automatically trigger military action upon a president’s death.

From Salon • Jul. 11, 2026

Stones left City upon the expiry of his contract at the start of this month.

From BBC • Jul. 11, 2026

In post-Stalinist Russia, people carried around an avos’ka—a just-in-case string bag—so that if they happened upon a queue for anything that had suddenly become available, they would be ready to purchase and carry it home.

From The Wall Street Journal • Jul. 10, 2026

Leonard ultimately was paid $21 million of the $28 million agreed upon in his contract with Aspiration.

From Los Angeles Times • Jul. 9, 2026

This is a woman who had wanted to be a nun once upon a time, who had pretended to be Joan of Arc.

From "At Last She Stood" by Erin Entrada Kelly




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