1. To get rid of something which is no longer wanted or needed: Stanley and Lorna ditched their plans to open a clothing store because of a lack of funds.

The thief was seen ditching the purse he had just stolen into a trash container.

2. To end a relationship with someone: Denis ditched Mildred who was his girlfriend.

The owner of the baseball team ditched the head coach.

3. U.S. informal, to not go to something; such as, school, work, etc.: Kermit ditched school so he could join the military service.

Shanna ditched work today because she wanted to do something else.

4. To land an aircraft on water or land because of an emergency situation: When the engine of the plane stopped working, the pilot was forced to ditch it in a nearby channel and fortunately, no one was injured.