A man riding an off-road vehicle.
off-road definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
designating or of a vehicle, as a dune buggy, for use off regular highways, streets, etc.
off-road definition by American Heritage Dictionary
Existing, taking place, or designed for use off paved or public roads or in rugged terrain: off-road sports such as snowmobiling.
- offˈ-roadˈ adverb