upon

preposition

ə-ˈpȯn How to pronounce upon (audio)
Definition of uponnext
as in on
in or into contact with leaned upon the desk

Synonyms & Similar Words

Relevance

Example Sentences

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.
Recent Examples of upon Iran seems to be retaliating by firing upon and potentially seizing more commercial ships. — Jonathan M. Gitlin, ArsTechnica, 22 Apr. 2026 Spend six to 12 months deliberately building one critical capability (or confidence gap), with clear outcomes agreed upon with your sponsor and regular, candid feedback. — Expert Panel®, Forbes.com, 6 Apr. 2026 Vietnamese airlines are planning to significantly reduce flights and scale back operations next month due to the high costs brought upon by the conflict, as well as potential jet fuel shortages. — Glenn Taylor, Footwear News, 1 Apr. 2026 Because there is not yet a clear and agreed-upon way to measure this, nurses and hospital leadership – who view the problem from their distinct positions – often disagree on what safe staffing actually looks like, which can lead to conflict. — Anna Mayo, The Conversation, 25 Feb. 2026 See All Example Sentences for upon
Recent Examples of Synonyms for upon
  1. on
  2. against
Preposition
  • McCaleb and co-editors Skip Macdonald and Joey Liew, along with Golubić, continued to build sequences from scratch, allowing silence, dialogue, sound design or music to occur naturally depending on the needs of each scene.
    — Deadline, Deadline, 7 Aug. 2026
  • Russia has fired the Oreshnik missile, an intermediate-range hypersonic weapon, on a handful of occasions against Ukraine in strikes viewed as signalling Moscow’s willingness to escalate.
    — Nathan Hodge, CNN Money, 7 Aug. 2026
Definition of on
Preposition
  • Summit captain Janine Sonis scored the winning goal late in stoppage time and had an assist against the Royals.
    — ABC News, ABC News, 9 Aug. 2026
  • After his rep against defensive end Odafe Oweh, Tunsil grabbed his left arm and crouched in obvious pain.
    — Nicki Jhabvala, New York Times, 9 Aug. 2026
Definition of against

Phrases Containing upon

Browse Nearby Words

upmost
upon
upped
See all Nearby Words

Cite this Entry

“Upon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/upon. Accessed 9 Aug. 2026.

Copy Citation

More from Merriam-Webster on upon

Nglish: Translation of upon for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of anecdote

See Definitions and Examples »

Popular in Grammar & Usage

See More

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?
See More

Popular in Wordplay

See More

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Aug. 7

How long is a jiffy?
See More

Popular

See More

7 Pairs of Commonly Confused Words

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
fridge-magnet-letters
Drop a Letter Quiz August 2026 Drop a letter from a word to make a totally diffe...
See All