on a collision course

idiom

Definition of on a collision course 

: 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.

Learn More about on a collision course

Share on a collision course

Dictionary Entries near on a collision course

-on

Ona

on about

on a collision course

on a dare

on a day-to-day basis

on a diagonal

Statistics for on a collision course

Look-up Popularity

Comments on on a collision course

What made you want to look up on a collision course? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!