Synonyms of upon

upon

preposition

ə-ˈpȯn 

as in on

in or into contact with

leaned upon the desk

Synonyms & Similar Words

• on
• against
• next
• alongside
• upside
• next to

Example Sentences

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

Phrases Containing upon

• call upon
• run upon
• set upon
• wait upon