balloon
UK /bəˈluːn/ US /bəˈluːn/ Syllables: bal-loon
Quick answer
A thin rubber bag that can be filled with air or gas until it becomes round.
A balloon is a thin rubber bag that can be filled with air or gas until it is round. Children play with balloons at parties, and people let them float up into the sky. A hot-air balloon is a very large balloon with a basket underneath, in which people can fly. Balloons come in many colors and sizes, and some are filled with helium so they rise. A balloon can burst with a loud pop. In cartoons, a speech balloon holds the words of a character.
"The children chased the balloon as it floated away."Meanings
- A thin rubber bag that can be filled with air or gas until it is round.
- A large bag filled with hot air or gas that carries people in the sky.
Example sentences
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"The children blew up red and blue balloons."
Level A1, Meaning 1
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"A hot-air balloon floated over the valley."
Level A2, Meaning 2
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"The balloon burst with a loud pop."
Level A2, Meaning 1
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"She tied a balloon to the gate for the party."
Level A1, Meaning 1
Look-alikes and common mistakes
- bubble : A bubble is a thin ball of liquid filled with air. A balloon is made of rubber or plastic.
- blimp : A blimp is a large airship. A balloon can be small and can float or be held.
Word family and forms
Forms: balloons
Word partners
Words and phrases that often go with "balloon".
- blow up a balloon
- a hot-air balloon
- a party balloon
- a balloon pops
- a helium balloon
- a speech balloon
Origin
Balloon came into English in the 1570s from Upper Italian ballone, a form of palla, a ball, with an ending that makes it bigger. It first meant a large ball used in a game. The meaning of an air-filled bag, and later a flying one, followed.
Checked against: Wiktionary, the free dictionary, Dictionary.com.
How to remember it
Balloon has two l's and two o's: bal-loon. It looks like the round object it names.
Test yourself
Which word fits the gap? "The children blew up red and blue _____."
Answer: balloon
In your own words, what does "balloon" mean?
A thin rubber bag that can be filled with air or gas until it becomes round.
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Sources and credits
- Wiktionary, the free dictionary (CC BY-SA 4.0) · used for the origin · checked Oct 19, 2026
- Dictionary.com · used for the origin · checked Oct 19, 2026
Last reviewed October 20, 2026. Report a mistake on this page