on a collision course

idiom

: moving so as to crash into each other if one or the other does not change direction
The two airplanes were on a collision course.
often + with
The comet was on a collision course with the planet.
often used figuratively
The government's policies are putting us on a collision course with economic disaster.

Examples of on a collision course in a Sentence

Recent Examples on the Web
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This includes developing ways to deflect or disperse an object on a collision course and warning and emergency response planning for unexpected or unpreventable impacts. Hannah Millington, MSNBC Newsweek, 30 Oct. 2025 However, watching the slow and steady movement of a horrific storm on a collision course with my beloved land over the last several days was agonizing. Grace White, Essence, 29 Oct. 2025 The stalwarts Mahomes and Allen are still at the head of the pack, and on a collision course in Week 9 as the Chiefs travel to Buffalo for an AFC Championship Game rematch. Hannah Vanbiber, New York Times, 28 Oct. 2025 In 1981 San Francisco, a desperate Filipino World War II veteran launches a frantic bank robbery spree to save his dying best friend, putting him on a collision course with a young, ambitious detective eager to make his mark. Matt Grobar, Deadline, 27 Oct. 2025 See All Example Sentences for on a collision course

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Cite this Entry

“On a collision course.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20collision%20course. Accessed 2 Nov. 2025.

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