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

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Astronomers have long known that Andromeda is on a collision course with the Milky Way. Avery Hurt, Discover Magazine, 21 June 2025 Sign up for the Morning Report newsletter President Trump’s second-term legislative agenda is experiencing a Senate GOP makeover that puts Republicans on a collision course with their House colleagues. Alexis Simendinger, The Hill, 17 June 2025 Whatever the trajectory, the most important question for a reconnaissance mission would be whether the asteroid was in fact on a collision course with Earth in 2032. IEEE Spectrum, 11 June 2025 Those arriving in July and August will be on a collision course with yet more extreme temperatures, predicts the country’s national weather service, creating a perfect storm of tourism and scorching weather. Elinda Labropoulou, CNN Money, 28 May 2025 See All Example Sentences for on a collision course

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“On a collision course.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20collision%20course. Accessed 30 Jun. 2025.

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