Existing, taking place, or designed for use off paved or public roads or in rugged terrain: off-road sports such as snowmobiling. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "off-road" in a sentence
"All-Terrain tires will certionally provide better off-road traction (grip) than highway tires but will not be as effective on wet or dry pavement."
"Having become accustomed to the off-road approach, I decided that in addition to the turkey and all the trimmings, we would have barbecue."
"However, you would not take a truck off-road, for example, or try to use it for something for which you would normally use a smaller and more agile vehicle."