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

Examples of HIIT in a Sentence

Recent Examples on the Web Offering mid-level support, this bra can be a go-to for yoga, pilates, barre, or, depending on your cup size, even a spin or HIIT class. Gabrielle Porcaro, Travel + Leisure, 12 Nov. 2023 High-Intensity Interval Training (HIIT) Cardio interval training—also known as high-intensity interval training (HIIT)—is a one-two punch for exercise: Short and mega-effective. Julia Sullivan, Health, 3 Nov. 2023 Harder workouts—say, like HIIT classes or sprint sessions—are more physically taxing, and your body can’t differentiate between physical and mental stress. Ashley Mateo, SELF, 31 Oct. 2023 But some people are a little of everything: weight lifters, trail runners, HIIT enthusiasts — where’s the legging for them? Sara Gaynes Levy, Peoplemag, 26 Oct. 2023 Jump to: Best for yoga Best for running Best for hiking Best for walking Best for HIIT and cross training Best for cycling Best workout clothes for yoga Your body bends in all directions during poses like downward-facing dog, tree pose, warrior 2, and uttanasana. Gabrielle Porcaro, SELF, 17 Oct. 2023 Levey adds that the versatility of this mat means it can also be used for non-yoga activities, like HIIT workouts. Jenny McCoy, SELF, 18 Sep. 2023 The Bala Bangles Wearable Wrist & Ankle Weights add resistance to their existing exercise routine and can take their favorite yoga, pilates, HIIT, or core exercise regimens to the next level. Maria Conti, Better Homes & Gardens, 5 Sep. 2023 High-intensity exercise, like high-intensity interval training (HIIT) that involves bursts of vigorous exercise, can also exaggerate this response.2 7. Gabrielle Kassel, Health, 23 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'HIIT.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1994, in the meaning defined above

Time Traveler
The first known use of HIIT was in 1994

Dictionary Entries Near HIIT

Cite this Entry

“HIIT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/HIIT. Accessed 7 Dec. 2023.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!