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noun

treadmill

TREHD-mihl
noun
1
An exercise machine with a moving belt for walking or running in place.
"He ran five miles on the treadmill at the gym."
2
A situation where continuous effort is needed just to stay in the same position, without real progress.
"She felt trapped on the treadmill of paying off one debt with another."

How to Use Treadmill

Learner’s notes

In plain EnglishA treadmill is a running machine at the gym, or, figuratively, any endless cycle of effort that doesn't get you anywhere new.

Common pairings
on the treadmill the corporate treadmill a treadmill of debt

Word Forms

treadmilled past tense, treadmills plural, treadmills singular

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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.

Definitions: FreeDict original editorial