fall back on

fall back on idiom
Also, fall back upon. Rely on, have recourse to, as in I fall back on old friends in time of need, or When he lost his job he had to fall back upon his savings. [Mid-1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.