part of speech: noun
definition 1: a large bag made of thin material designed to inflate and be lifted off the ground when filled with hot air or a gas that is lighter than air.
definition 2: a small bag made of rubber or other strong, light material that can be filled with air, or a gas lighter than air, and used as a decoration or toy.
- Balloons are a colorful party decoration.
part of speech: verb
inflections: balloons, ballooning, ballooned
definition: to swell like a balloon.
- His neck ballooned when he was sick with the mumps.
synonyms: blow up, inflate, swell
derivation: balloonist (n.)