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run against

Idioms  
  1. 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]

  2. Work against, as in Public sentiment ran against her . [Late 1300s]

  3. 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.

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The Times: Why do you think Raman decided to run against you?

From Los Angeles Times Sep. 20, 2026

Even slumping Kyle Tucker hit a solo home run against the Nationals — his first homer since Aug. 8 and his first at Dodger Stadium since June 15.

From Los Angeles Times Sep. 5, 2026

Ed Miliband became foreign minister, Wes Streeting -- who abandoned plans to run against Burnham for the Labour leadership -- was named defence minister, and left-wing figurehead Angela Rayner returned to government.

From Barron's Jul. 21, 2026

Sustained draws of around 2 million barrels a day would run against Beijing’s long-term goal of maintaining strategic and commercial reserves, Goldman analysts said.

From The Wall Street Journal Jul. 15, 2026

No one was willing to run against Howard’s horse.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

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