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

Recent Examples on the Web

Argentina’s senate approved a pension increase, putting it on a collision course with President Javier Milei and his austerity agenda. —semafor.com, 11 July 2025

Another asteroid that size or even larger will eventually be on a collision course with the planet [see chart below]. —IEEE Spectrum, 11 June 2025

This puts them on a collision course with tech giants like Apple, Google and Meta, all of whom are heavily invested in AI hardware. —Tor Constantino, Forbes.com, 22 May 2025

Francis’s political postures put him on a collision course with the traditionalist cardinals at the Vatican and conservative bishops around the globe. —Alex Gangitano, The Hill, 21 Apr. 2025

Rhymes for on a collision course

• bourse
• coarse
• force
• gorse
• hoarse
• horse
• norse
• source
• concourse
• divorce
• endorse
• enforce