Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “balloon”


noun [C]     /bəˈluːn/
A2 a small coloured rubber bag that you fill with air to play with or to use as a decoration: Could you help me to blow up some balloons? → See also hot-air balloonToys and dollsObjects and decorations connected with celebrations
(Definition of balloon noun from the Cambridge Learner's Dictionary © Cambridge University Press)

More Learner's Dictionary definitions for “balloon”

Definitions of “balloon” in other dictionaries

Word of the Day


an ability to do things in the stated, especially positive, way

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More