We found 5 dictionaries that define the word on collision course:

General (2 matching dictionaries)

1. on collision course: Oxford Learner's Dictionaries
2. on collision course: TheFreeDictionary.com

Business (1 matching dictionary)

3. on collision course: Legal dictionary

Computing (1 matching dictionary)

4. on collision course: Encyclopedia

Medicine (1 matching dictionary)

5. on collision course: Medical dictionary

Phrases: on a collision course, more... ▸ Words similar to on collision course ▸ Usage examples for on collision course ▸ Idioms related to on collision course ▸ Wikipedia articles (New!) ▸ Words that often appear near on collision course ▸ Rhymes of on collision course ▸ Invented words related to on collision course