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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.

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

The new facility will be North Korea’s largest publicly known uranium enrichment site upon completion.

From The Wall Street Journal • Jun. 10, 2026

What fabulous representatives these are of the country that Europe once looked upon with gratitude and respect: clownish, crude and stupid all at once.

From Salon • Jun. 9, 2026

She helps them recognize developmental moments, such as when a child turns a book upright on their own upon realizing it’s upside down, signaling letter recognition.

From Los Angeles Times • Jun. 8, 2026

Perched upon a wide oak table, among more strange items, Duane spied a snowy owl reading from a large open book.

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




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