Motor-driven refers to a machine or device that is powered by a motor. Its antonyms, on the other hand, describe things that are not motor-driven. These may include manual, hand-operated, non-mechanized, and old-fashioned equipment. Some other antonyms for motor-driven may include natural, ecological, and sustainable alternatives, such as wind-powered, solar-powered, or water-powered equipment. In certain contexts, analog, acoustic, or non-electronic devices may also be used as antonyms for motor-driven. The use of antonyms allows for clear differentiation between motor-driven and non-motor-driven devices, which is important for environmentally conscious consumers and those who prefer more traditional or low-tech solutions.