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

Now, this decade-long belief is being challenged by new research that suggests the Milky Way and Andromeda may not be on a collision course after all. —Jamie Carter, Forbes.com, 2 June 2025

President Trump’s aggressive approach to immigration has put the administration on a collision course with the courts. —Maureen Groppe, USA Today, 17 May 2025

With Attorney General Pam Bondi signaling that the Justice Department will seek the death penalty, the case could put the two sets of prosecutors on a collision course. —James Barron, New York Times, 11 Apr. 2025

The object now on a collision course with Earth is the detached lander. —Alice Gibbs, MSNBC Newsweek, 30 Apr. 2025

Rhymes for on a collision course

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