treadmill

IPA: trˈɛdmɪɫ

A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.
(historical) A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It was used principally as a means of prison discipline.
A mill worked by horses, dogs, etc., treading an endless belt.
(figurative) A process or situation in which continued effort leads to or is required for remaining at a particular state or level without moving ahead.

(intransitive) To exercise on a treadmill.
To keep busy, for example with work or with other tasks, without being able to get ahead or make progress towards long-term goals.

Examples of "treadmill" in Sentences

The treadmill is targeted to launch to the station in August.
Yes, but you fail to explain how the treadmill is supposed to take off.
Using the term treadmill is arguably increasingly inappropriate too, as it leads people to think it can continue ad infinitum.
Two hundred days in, "the incline on the treadmill is not as steep," the official said, but added, "it's still moving very fast."
Besides, that treadmill is too large in relationship to the size of the plane for the plane to be able to carry it up into the sky.
Overall, I find that walking the dog or jogging on the treadmill is a great way to work out problems or come up with new ideas for writing.
I fully believe that NASA should have named the node itself after Colbert - fact is, he won - but the treadmill is a nice consolation prize.
Just to assuage my concerns regarding a possibly-euphemistic treadmill, is there any practical difference between “targeted killing” and assassination?
EH: Just to assuage my concerns regarding a possibly-euphemistic treadmill, is there any practical difference between “targeted killing” and assassination?
Which is why at the heart of the Goodair Total Body Plan - a five- or six-week programme of between four and six 90-minute sessions a week - is what he calls treadmill aerobics.