on a collision course

idiom

Definition of on a collision course

: 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.

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on about

on a collision course

on a dare

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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 28 Sep. 2021.

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