: cardiovascular exercise
30 minutes of cardio daily
Examples of cardio in a Sentence
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Sara Coughlin, SELF, 18 Feb. 2025
Power Walking Power walking—and other forms of brisk walking—are effective for cardio exercise.
—Sarah Bence, Verywell Health, 4 Mar. 2025
Lolita C. Baldor, Los Angeles Times, 31 Mar. 2025
However, some research indicates this may not be the case, especially because cardio strengthens your cardiovascular system.
—Sherri Gordon, Health, 18 Mar. 2025
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Adjective
Best Overall: Reebok Nano X5 Pros Supports box jumps and step-ups
Firm enough for heavier lifting
Very secure fit
Under $150
Cons
Too stiff for bouncy movements and certain types of cardio workouts
Christa Sgobba, SELF’s director of food and fitness, has worn Reebok Nanos for years.
—Sara Coughlin, SELF, 18 Feb. 2025
Power Walking Power walking—and other forms of brisk walking—are effective for cardio exercise.
—Sarah Bence, Verywell Health, 4 Mar. 2025
Noun
Other services will at times allow biking or rowing as a cardio substitute for the run; planks are now more widely used than sit-ups.
—Lolita C. Baldor, Los Angeles Times, 31 Mar. 2025
However, some research indicates this may not be the case, especially because cardio strengthens your cardiovascular system.
—Sherri Gordon, Health, 18 Mar. 2025
See All Example Sentences for cardio
Cite this Entry
“Cardio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardio. Accessed 13 Apr. 2025.
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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