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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.

Mr. Berg’s argument dissolves upon separation from the western ideological vacuum in which it is so delicately couched.

From The Wall Street Journal • Apr. 19, 2026

There are rows upon rows of tents with piles of clothes laid out on plastic sheets.

From BBC • Apr. 19, 2026

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

Police said the couple were returning to their $4.5-million home when they came upon Boodarian.

From Los Angeles Times • Apr. 18, 2026

I folded back our shutters and stood for a minute admiring the window display that Betsie and I had at last agreed upon.

From "The Hiding Place" by Corrie ten Boom