

The children played with a red balloon.
A flexible bag that can be filled with air or gas and used for decoration or play.
She tied a blue balloon to the chair.
The birthday party had many colorful balloons.
He let go of the balloon and watched it float away.
helium balloon
birthday balloon
party balloon
blimp
inflatable
sack
The tire began to balloon after I added more air.
To expand or swell in size, often used to describe something filling with air or gas.
The balloon started to balloon when the heat was applied.
As the sun rose, the hot air balloon began to balloon into the sky.
The marshmallows will balloon when you heat them in the microwave.
balloon with air
balloon in size
balloon up
swell
inflate
expand