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
By the 1920s, the rise of religious fundamentalism and Biblical literalism among evangelical Protestant groups was reshaping America's religious landscape — setting it on a collision course with modern scientific thought.
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Nell Greenfieldboyce, NPR, 8 July 2025
After Carey and Julie sleep together and reveal it to their respective partners, the facades of both relationships begin to crack, setting both couples on a collision course.
—Leia Mendoza, Variety, 23 June 2025
The women’s tennis teams from Barry University and Nova Southeastern University appear to be on a collision course for the third straight year.
—Walter Villa, Miami Herald, 8 May 2025
Astronomers have long known that Andromeda is on a collision course with the Milky Way.
—Avery Hurt, Discover Magazine, 21 June 2025
See All Example Sentences for on a collision course
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Nell Greenfieldboyce, NPR, 8 July 2025
After Carey and Julie sleep together and reveal it to their respective partners, the facades of both relationships begin to crack, setting both couples on a collision course.
—Leia Mendoza, Variety, 23 June 2025
The women’s tennis teams from Barry University and Nova Southeastern University appear to be on a collision course for the third straight year.
—Walter Villa, Miami Herald, 8 May 2025
Astronomers have long known that Andromeda is on a collision course with the Milky Way.
—Avery Hurt, Discover Magazine, 21 June 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 18 Jul. 2025.
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