The phrasal verb 'fall back on' is commonly used in both informal and formal contexts, though it tends to be more prevalent in conversational and semi-formal speech. It means to rely on something, especially as a last resort when other options have failed or are unavailable. The usage of 'fall back on' is often associated with discussing contingency plans or referencing resources or skills that can be depended upon in times of need. For example, one might say, "If the weather gets too bad, we'll have to fall back on our backup plan." It conveys a sense of safety and preparedness, indicating the availability of a dependable alternative. This phrasal verb is versatile, appearing in a variety of contexts, from financial discussions regarding fall-back savings or investments to more personal settings, such as relying on a support system or one's own abilities in challenging situations.
B1
Intermediate
1. To rely on a substitute or reserve when in need of support or help.
When the electricity was cut, we had to fall back on candles.
If the weather gets bad, we’ll have to fall back on our indoor activities.
2. To use alternative methods or resources when the preferred ones are unavailable.
The company decided to fall back on its savings after the unexpected expenses.
When negotiations broke down, they fell back on their legal team for support.