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

But Whitney’s own ruinous investments and personal demons set him on a collision course with his brother George, the gatekeeper to J.P. Morgan, who is the key to preventing the crash. —Leia Mendoza, Variety, 7 Aug. 2025

Moving to Texas will put you on a collision course with climate change’s dangers, as evidenced by the millions of Texans left without power in the freezing winter during the deadly 2021 energy grid crisis due to a lack of regulatory oversight. —Chicago Tribune, 30 July 2025

Its focus on portfolio sites and simple prototypes puts it on a collision course with an earlier generation of unicorns like Figma and website builders such as Wix and Squarespace. —Iain Martin, Forbes.com, 23 July 2025

Set at the Smithsonian in Washington D.C., the film introduces a new set of antagonists, including Barbara Minerva (Kristen Wiig) and Max Lord (Pedro Pascal), whose seemingly simple wishes set the world on a collision course toward chaos. —EW.com, 31 July 2025

Rhymes for on a collision course

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