tread·​mill | \ ˈtred-ˌmil How to pronounce treadmill (audio) \

Definition of treadmill

1a : a device having an endless belt on which an individual walks or runs in place for exercise or physiological testing
b : a mill worked by an animal treading an endless belt
c : a mill worked by persons treading on steps on the periphery of a wide wheel having a horizontal axis and used formerly in prison punishment
2 : a wearisome or monotonous routine resembling continued activity on a treadmill the office treadmill

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Examples of treadmill in a Sentence

the treadmill of exhausting family schedules the treadmill of the morning commute to work

Recent Examples on the Web

Peloton offers a line of home fitness bicycles and treadmills. Chris Sims, Indianapolis Star, "Peloton opens 1st Indiana location at The Fashion Mall," 8 Aug. 2019 Equinox recently opened a standalone running studio called Precision Run, which features proprietary Woodway treadmills with software that is custom designed to work with the instructor’s guidance. Natt Garun, The Verge, "Equinox will start selling its own Peloton-like bikes and treadmills this winter," 7 Aug. 2019 In 2002, researchers in Arizona reported suspending a 43-year-old man with a spinal injury over a moving treadmill while stimulating his spine. Cassandra Willyard, Scientific American, "How a Revolutionary Technique Got People with Spinal-Cord Injuries Back on Their Feet," 7 Aug. 2019 To use the treadmill, astronauts hooked a rubber band over their shoulders to stay on the machine and jog in microgravity. Echo Huang, Quartz, "What you need to know about China’s falling space lab Tiangong-2," 18 July 2019 The Texans also installed a large cold recovery room on the practice field to help players lower their body temperature, redesigned the weight room and installed a swimming pool with a treadmill. Aaron Wilson, Houston Chronicle, "Cal McNair: Texans now 'a flatter organization'," 22 July 2019 Founded in 2012, the cycle and treadmill maker confidentially filed for an IPO in June with its latest valuation over $4 billion. Anne Sraders, Fortune, "These Major IPOs are Still Slated to Debut in 2019," 15 July 2019 Not only is treadmill running suddenly less boring but more effective. Roy M. Wallack,, "Old-style rowing machines and punching bags gain a new edge," 4 July 2019 The Hydro rowing machine, which comes with a touchscreen monitor and embedded camera, costs $2,199, while NordicTrack's commercial treadmill costs $1,999. Dalvin Brown, USA TODAY, "Best Buy now sells smart gym equipment for the home," 18 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'treadmill.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of treadmill

1822, in the meaning defined at sense 1c

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Statistics for treadmill

Last Updated

16 Aug 2019

Look-up Popularity

Time Traveler for treadmill

The first known use of treadmill was in 1822

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More Definitions for treadmill



English Language Learners Definition of treadmill

: an exercise machine which has a large belt that moves around while a person walks or runs on it
: a boring or tiring activity, job, etc., in which you repeatedly do the same things


tread·​mill | \ ˈtred-ˌmil How to pronounce treadmill (audio) \

Kids Definition of treadmill

1 : a device having an endless belt on which an individual walks or runs in place for exercise
2 : a tiresome routine


tread·​mill | \ ˈtred-ˌmil How to pronounce treadmill (audio) \

Medical Definition of treadmill

: a device having an endless belt on which an individual walks or runs in place that is used for exercise and in tests of physiological functions — see stress test

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Comments on treadmill

What made you want to look up treadmill? Please tell us where you read or heard it (including the quote, if possible).


a usually brief trip or an expedition

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