upon (A2)
preposition
Pronunciation: /əˈpɒn/
Definition
On or to the surface of something.
Examples
The book lay open upon the desk.
He placed his hand gently upon her shoulder.
The castle stood upon a high hill, overlooking the valley.
How to Use upon
- upon arrival (collocation)
- When someone arrives at a place. — "Upon arrival at the hotel, we were greeted with warm towels."
- upon reflection (collocation)
- After thinking carefully about something. — "Upon reflection, I realized that my initial decision was hasty."
- upon hearing (collocation)
- Immediately after hearing some news or sound. — "Upon hearing the alarm, the students evacuated the building calmly."
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