run against
Idioms-
Also, run up against or run into . Encounter something, especially a difficulty, unexpectedly. For example, We didn't know we'd run up against so much opposition , or He ran into trouble with his taxes . [Late 1300s]
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Work against, as in Public sentiment ran against her . [Late 1300s]
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Oppose for elective office, as in Susan decided to run against a very popular incumbent . This usage is a figurative application of running in a footrace. [First half of 1800s]
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The two had previously run against each other in the 2024 GOP primary, with Gonzales narrowly beating Herrera in a runoff.
From Slate • Mar. 9, 2026
Horvath would have had to forfeit her seat to run against Bass, while facing a tight timeline for fundraising.
From Los Angeles Times • Feb. 7, 2026
Prominent opposition figure Kizza Besigye, who has run against Museveni four times, is not able to take part and remains in jail on treason charges after being arrested in neighbouring Kenya in 2024.
From BBC • Jan. 9, 2026
Newcastle manager Eddie Howe said the Magpies' recent good run against Manchester United will count for little at Old Trafford on Friday.
From Barron's • Dec. 24, 2025
Riddle did not believe that Seabiscuit was in War Admiral’s league and may have felt that by agreeing to run against a western horse in a match race, he would be demeaning his colt.
From "Seabiscuit: An American Legend" by Laura Hillenbrand
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.