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 + withThe comet was on a collision course with the planet.
—often used figurativelyThe 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
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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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
Cite this Entry
“On a collision course.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20a%20collision%20course. Accessed 10 Jul. 2025.
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