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Definitions

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.

There is no way to prove this, but perhaps the cataclysm of the war impressed upon that generation the fragility of civilization and learning, and the need to preserve them.

From Salon • Apr. 19, 2026

“It is no false alarm. Our liberties are in danger. The Philistines are upon us.”

From The Wall Street Journal • Apr. 18, 2026

"Roberts-Smith exercised his right to decline the opportunity to add, amend or comment upon his previous sworn evidence," the court documents say.

From BBC • Apr. 17, 2026

His comments upon exiting might have foreshadowed the current difficulties.

From Los Angeles Times • Apr. 17, 2026

Regan’s face went white, and the relief I’d felt upon her safe return evaporated instantly.

From "Glitch" by Laura Martin