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
Both missions are part of an effort to determine how to safely deflect an asteroid on a collision course with Earth.
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William Harwood, CBS News, 6 Oct. 2024
The show dives into the murky world of counterfeit goods, following a man whose life is ruined in the wake of the 1997 Asian financial crisis, and puts him on a collision course with his ex-girlfriend who is now a special police officer.
—Patrick Frater, Variety, 30 Aug. 2024
Carrington appears to be on a collision course with pound-for-pound contender Naoya Inoue.
—Brian Mazique, Forbes, 27 Sep. 2024
If that’s the case, then the Milky Way and Andromeda, thought to be on a collision course in about four billion years, could already be interacting.
—Jamie Carter, Forbes, 13 Sep. 2024
See all Example Sentences for on a collision course 
William Harwood, CBS News, 6 Oct. 2024
The show dives into the murky world of counterfeit goods, following a man whose life is ruined in the wake of the 1997 Asian financial crisis, and puts him on a collision course with his ex-girlfriend who is now a special police officer.
—Patrick Frater, Variety, 30 Aug. 2024
Carrington appears to be on a collision course with pound-for-pound contender Naoya Inoue.
—Brian Mazique, Forbes, 27 Sep. 2024
If that’s the case, then the Milky Way and Andromeda, thought to be on a collision course in about four billion years, could already be interacting.
—Jamie Carter, Forbes, 13 Sep. 2024
See all Example Sentences for on a collision course
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'on a collision course.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near 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 31 Oct. 2024.
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