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

Reality, however, is on a collision course, and the first sign comes when Aziz, like the rest of his faculty, is suspended, ostensibly for encouraging their students to cut class and attend an anti-government demonstration. —Damon Wise, Deadline, 16 Feb. 2026

The United States is on a collision course with its own history, and about to break fiscal records in the worst possible way. —Tristan Bove, Fortune, 11 Feb. 2026

Though the recent crisis over Greenland has abated, Washington and Brussels remain on a collision course, especially over tech regulations, Macron told several outlets. —Tom Chivers, semafor.com, 10 Feb. 2026

Montverde Academy and Lake Highland are on a collision course to meet again for a girls soccer region title and state final four berth, but first both have to win Monday home games. —Buddy Collings, The Orlando Sentinel, 5 Feb. 2026

Rhymes for on a collision course

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