Jettison means to push to the side or toss away. If a boat is leaking or an airplane is running out of fuel, you can buy more time by jettisoning cargo, or throwing it overboard.

The word jettison — dating, in its nautical meaning, from the 15th century in English — is commonly used figuratively as well as literally. You can jettison a friendship or an attitude. During the month that the Winter Olympics are aired on TV, figure-skating fans across the country jettison homework and other responsibilities in order to watch.

Definitions of jettison

v throw away, of something encumbering

v throw as from an airplane

Type of:
propel through the air

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, can put you on the path to systematic vocabulary improvement.