Pronunciation: (ôf'rōd', of'-),[key] —adj. 1. designed, built, or used for traveling off public roads, esp. on unpaved roads, trails, beaches, or rough terrain: an off-road vehicle. 2. taking place on such roads or terrain: off-road racing. 3. used for or suitable to an off-road vehicle: off-road tires.
—adv. on a road or terrain other than a public road: to travel off-road.