treadmill
Treadmill (noun) means an exercise machine with a moving belt for walking or running in place. Example: “He ran five miles on the treadmill at the gym.”
How to use treadmill
Learner’s notesIn plain EnglishA treadmill is a running machine at the gym, or, figuratively, any endless cycle of effort that doesn't get you anywhere new.
Word forms
- Plural
- treadmills
- Third person singular
- treadmills
- Past tense
- treadmilled
Fill the gap
Can you complete this real example?
He ran five miles on the _____ at the gym.
Etymology
From "tread" + "mill" — originally a real mill powered by people or animals walking on a wheel.