collision coursecollision course
A course, as of moving objects or opposing philosophies, that will end in a collision or conflict if left unchanged: two planes on a collision course; dissidents on a collision course with the regime.
(plural collision courses)
- A course or path between two or more objects which, if continued at the current rate, will result in a collision.
- The two boats were on a collision course, so they both veered starboard.