Definitions

1. noun

a flexible bag or container, typically made of rubber or plastic, that is filled with air or gas and floats or rises in the air.

“She released the balloon into the sky, watching it soar above the trees.”

2. noun

a spherical or oval-shaped device that is inflated with air or gas, used for recreation or entertainment, such as a party favor.

“The children laughed and played with the balloons at the birthday party.”

3. verb

to inflate or fill something, especially a balloon, with air or gas.

“The helium balloon inflated quickly and began to rise into the air.”