In a secure or comfortable position, especially because of being certain to succeed. For example, Once I meet the schedule I'll be home free, or I think we have enough support for this measure--we're home free. This expression probably alludes to safely reaching baseball's home plate, meaning one has scored a run. [Mid-1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved.