- The definition of carry-on is luggage that can be taken onto a plane.
An example of carry-on used as an adjective is in the phrase "carry-on bag."
- A carry-on is a small piece of luggage brought onto a plane with a person.
An example of a carry-on is an overnight bag.
Used by arrangement with John Wiley & Sons, Inc.
carry-on - Phrases/Idioms
Maintain, conduct, as in The villagers carried on a thriving trade, or They carried on a torrid love affair. [c. 1600]
Continue or progress, persevere, as in I'm sure you can carry on without me. [Mid-1600s]
Behave in an excited, improper, or silly manner, as in They laughed and sang and carried on rather noisily. [Early 1800s]
Flirt, engage in an illicit love affair, as in She accused her friend of carrying on with her husband. [Early 1900s]