treadmill Synonyms

salt mine hamster cage blah treadwheel travail track toil tedium tedious task sweat smoothness squirrel cage tread-wheel everyday routine salt mines battle of life grinds exercise device grubwork exercise machine vicious circle daily grind moulin rat race sameliness rut habit groove grinder grind galleys employment drudgery dreary cucking stool crank chore humdrum industry routine rote regularity pace monotonous monotone moil mill labor irk