HIIT
abbreviation or noun
: a form of interval training that alternates very brief periods (such as 20 to 40 seconds) of intense exercise at maximum effort with periods (such as 15 to 30 seconds) of less intense exercise : high-intensity interval training
HIIT, or high-intensity interval training, is a training technique that requires you to perform quick, intense bursts of exercise, followed by short and active recovery periods.—
Sudhakar Jha
Sudhakar JhaExamples of HIIT in a Sentence
Recent Examples on the Web
Key Takeaways Running, cycling, HIIT, and jumping rope are all examples of cardio exercise proven to improve cholesterol profiles.
—Sohaib Imtiaz, Verywell Health, 14 Jan. 2026
My wife Maria and I have been doing HIIT classes 2-3 days a week for a couple years.
—Bill Hoogterp, Fortune, 10 Jan. 2026
Atkins, keto, South Beach, the Zone, low carb, no carb, ultra-low fat, liquid only, Jillian Michaels, Jane Fonda, Suzanne Somers, full-body HIIT workouts, gym memberships, a YMCA weight coach, DietBet, StepBet, a Mediterranean diet, a vegetarian diet, the raw food diet, intermittent fasting.
—CBS News, 9 Jan. 2026
Your body is capable of bouncing back—and a quick HIIT session could offer a helpful boost on that front.
—Erica Sloan, SELF, 6 Jan. 2026
See All Example Sentences for HIIT
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Sohaib Imtiaz, Verywell Health, 14 Jan. 2026
My wife Maria and I have been doing HIIT classes 2-3 days a week for a couple years.
—Bill Hoogterp, Fortune, 10 Jan. 2026
Atkins, keto, South Beach, the Zone, low carb, no carb, ultra-low fat, liquid only, Jillian Michaels, Jane Fonda, Suzanne Somers, full-body HIIT workouts, gym memberships, a YMCA weight coach, DietBet, StepBet, a Mediterranean diet, a vegetarian diet, the raw food diet, intermittent fasting.
—CBS News, 9 Jan. 2026
Your body is capable of bouncing back—and a quick HIIT session could offer a helpful boost on that front.
—Erica Sloan, SELF, 6 Jan. 2026
See All Example Sentences for HIIT
Cite this Entry
“HIIT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HIIT. Accessed 16 Jan. 2026.
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