treadmill /ˈtɹɛd.mɪl/noun 4verb 2forms 3 noun4 •A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place. •(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.Elizabeth Schor (1999) has long argued that this status treadmill, even if not universal, has worked to “ratchet” global conceptualizations of need and desire upward over time. — 2021 •A mill worked by horses, dogs, etc., treading an endless belt. •(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.Their paternal house of Drummington, Foker could very seldom be got to visit. He swore he had rather go on the treadmill than stay there. — 1848 verb2 •To exercise on a treadmill. •(figurative) To keep busy, for example, with work or with other tasks, without being able to get ahead or make progress towards long-term goals. formstreadmilled · treadmilling · treadmills