Definition of "off-track" []

• Of or relating to gambling on races that is conducted away from a racetrack. (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.

• "My goodness am I off-track on today's subject, sitting here typing when I should be packing."
• "When a thread has gone off-track or has become too long, it's an easy enough matter for visitors to simply recognize that without an explanation."
• "Dr. Cantor said she first deals with the most disruptive children, the small percentage who "are capable of taking a school filled with vulnerable children and sending it completely off-track.""