upon

1 of 2

preposition

up·​on ə-ˈpȯn How to pronounce upon (audio)
-ˈpän
: on

upon

2 of 2

adverb

up·​on ə-ˈpȯn How to pronounce upon (audio)
-ˈpän
1
obsolete : on the surface : on it
2
obsolete : thereafter, thereon

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. an assault upon traditional values She was admitted to his office immediately upon her arrival. That kind of behavior is frowned upon.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Preposition
Lugo's fate could be sealed in a few weeks if the Royals fail to get the ship back on course, and the Cubs should be at the top of the list to call upon leading up to the deadline. Hunter Mulholland, MSNBC Newsweek, 29 June 2025 The ads appear in sidebars within the platform that expand only if clicked upon and can lead to user rewards. ArsTechnica, 5 June 2025 In the northwest of what became America, bogs and boreal forests replaced the dry plains and steppe, fed upon and spread by large grazers like wapiti, moose and elk — who lived on, and helped create, the forests that now define the region. Saul Elbein, The Hill, 16 May 2025 For example, the color red is frowned upon and cannot be worn. Michael Butler, Miami Herald, 5 June 2025 See All Example Sentences for upon

Word History

First Known Use

Preposition

12th century, in the meaning defined above

Adverb

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of upon was in the 12th century

Cite this Entry

“Upon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upon. Accessed 4 Jul. 2025.

Kids Definition

upon

preposition
up·​on
ə-ˈpȯn,
-ˈpän,
-(ˌ)pən

More from Merriam-Webster on upon

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