Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- without a track, trail, or path: a trackless wilderness
- leaving no track, or trail
- not running on tracks: a trackless trolley
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Not running on tracks or rails.
- Unmarked by trails or paths.