Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “on a collision course”

on a collision course

having very different aims or opinions and therefore likely to strongly disagree or fight : The governor put himself on a collision course with state lawmakers over energy policy .
(Definition of on a collision course from the Cambridge Academic Content Dictionary © Cambridge University Press)

Word of the Day


the art and knowledge involved in preparing and eating good food

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More