: cardiovascular exercise
30 minutes of cardio daily
Examples of cardio in a Sentence
Recent Examples on the Web
Bestreviews, Mercury News, 7 Nov. 2025
The stock surged in early September after the company posted strong phase 3 trial results for its lead cardio drug called Aficamten, a cardiac myosin inhibitor, which showed an improvement in exercise capacity in patients with obstructive hypertrophic cardiomyopathy.
—Pia Singh, CNBC, 28 Oct. 2025
Jenny McCoy, Outside, 27 Feb. 2026
The cardio workout offers significant health benefits, even for those who don’t want to run continuously.
—Christa Sgobba, Washington Post, 22 Feb. 2026
See All Example Sentences for cardio
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Adjective
Using an exercise bike that is ergonomically designed can help minimize the likelihood of incurring an injury and allow the user to have longer cardio sessions.
—Bestreviews, Mercury News, 7 Nov. 2025
The stock surged in early September after the company posted strong phase 3 trial results for its lead cardio drug called Aficamten, a cardiac myosin inhibitor, which showed an improvement in exercise capacity in patients with obstructive hypertrophic cardiomyopathy.
—Pia Singh, CNBC, 28 Oct. 2025
Noun
Not all forms of movement meet this criterion—for example, walking, swimming, and cycling, though wonderful forms of cardio, aren’t high enough impact—but many jumping exercises do.
—Jenny McCoy, Outside, 27 Feb. 2026
The cardio workout offers significant health benefits, even for those who don’t want to run continuously.
—Christa Sgobba, Washington Post, 22 Feb. 2026
See All Example Sentences for cardio
Cite this Entry
“Cardio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardio. Accessed 2 Mar. 2026.
Copy CitationMedical Definition
cardio
1 of 2 adjective
car·dio
ˈkärd-ē-(ˌ)ō 
: cardiovascular sense 2
cardio exercises
worked out on cardio machines
cardio
2 of 2 noun
: cardiovascular exercise
30 minutes of cardio daily
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