deodorant is anything that takes away an odor, or bad smell. often, it means something people put on their bodies so their sweat does not smell as bad. the most commonly used deodorants are for use on the armpits. these are also anti-perspirants because they reduce the production of sweat. there are deodorants for other places on the body as well. deodorant can be sold in the form of sprays, bottles, or sticks that are rolled onto the body.