Fall back on Definition 1 of 2Pro Tip 1/3Plan B Use when discussing alternatives for unforeseen problems or backup plans. I have my degree to fall back on if acting doesn't work out. Pro Tip 2/3Financial Security Often used to suggest having savings or other financial resources to depend on. She had her inheritance to fall back on after the divorce. Pro Tip 3/3Support Network Can imply having people, such as family or friends, who can provide support. If things go wrong, I know I can always fall back on my family.