- A job or situation that is tiring, boring, or unpleasant and from which it is hard to escape
- (treadmill) a mill that is powered by men or animals walking on a circular belt or climbing steps
- (treadmill) a job involving drudgery and confinement
- A device formerly used for driving machinery, consisting of a large wheel with steps fitted into its inner surface. It was turned by the weight of people or animals treading the steps
- (treadmill) an exercise device consisting of an endless belt on which a person can walk or jog without changing place
- An exercise machine, typically with a continuous belt, that allows one to walk or run in place
- A quantity or amount sold
- the general activity of selling; "they tried to boost sales"; "laws limit the sale of handguns"
- an occasion (usually brief) for buying at specially reduced prices; "they held a sale to reduce their inventory"; "I got some great bargains at their annual sale"
- The activity or business of selling products
- The exchange of a commodity for money; the action of selling something
- a particular instance of selling; "he has just made his first sale"; "they had to complete the sale before the banks closed"