aerobics

/əˈɹoʊbɪks/noun

Energetic physical exercise, usually done to music, that strengthens the heart and lungs.

Example sentence

“She goes to an aerobics class twice a week.”

Despite the final s, it takes a singular verb: "aerobics is good exercise".

Related words

yogaA tree of the species Elaeocarpus joga.campingThe activity of staying and sleeping outdoors in a tent or similar shelter, for fun or learning.pilatesA system of physical exercises created by Joseph Pilates in the early 1900s.huntingThe activity of tracking and killing wild animals, either as a sport or to use their meat, fur, or other parts.danceA series of body movements performed in rhythm, usually to music, for enjoyment or on social occasions.fishingThe activity of trying to catch fish.