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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.

Once upon a time, the answer would have included a ride on the back of a donkey.

From BBC • May 16, 2026

Warsh will take Miran’s seat on the board—Miran issued his resignation letter as governor on Thursday, effective upon the swearing in.

From Barron's • May 15, 2026

Establishing definitive criteria for when and how swap lines can be extended, along with requiring congressional notification upon deployment, would protect market credibility without sacrificing speed.

From The Wall Street Journal • May 14, 2026

And while watching the film recently at Inglewood’s Cosm, home to an all-encompassing high-definition spherical screen, I half expected a letter to fall upon my lap.

From Los Angeles Times • May 14, 2026

He was not set upon by unreasonable hordes or ambushed by sneaky types.

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




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