adjective
- containing less air or gas than the proper or recommended amount
Usage: commonly used with tires, balloons, and other inflatable objects
Examples
- The car’s underinflated tires reduced fuel efficiency.
- Check your bicycle tires regularly to make sure they’re not underinflated.
- The underinflated basketball bounced poorly on the court.
- Underinflated air mattresses can be uncomfortable to sleep on.
- The mechanic warned that underinflated tires wear out faster.
- She noticed the balloon was underinflated and added more air.