See examples of upon used in a sentence. Examples of upon in a sentence preposition he carefully placed the vase upon the table. They built their city upon a cliff overlooking the sea.
She was seated upon a throne. A flag upon the roof. The enemy was upon us.
Upon can be used to show that something happens soon after, and often because of, something else: You use upon when mentioning an event that is followed immediately by another event. Jan 20, 2026a somewhat elevated word, "upon" is used mostly in literary, poetic or legal contexts, and may seem out of place in everyday language.
The enemy was upon us and our soldiers had little time to escape.