noun
- a system of physical exercises designed to strengthen the heart and lungs by increasing oxygen consumption
Usage: usually treated as singular
Examples
- She does aerobics three times a week at the gym.
- Water aerobics is easier on the joints than regular aerobics.
- The aerobics class starts at 6 PM every Tuesday.
- Aerobics helps improve cardiovascular fitness.
- Step aerobics became popular in the 1980s.
- My doctor recommended aerobics to strengthen my heart.