Used in reference to a possible time in the future when something, especially money, will be needed: invest and save for a rainy day
More example sentences
- Where it is expensive, consider saving that extra money to protect against a rainy day.
- ISAs are probably the best way for us to save money for a rainy day, build up a nest egg and save for the long term.
- We all know that we should have some money put away for a rainy day.
Definition of a rainy day in:
- The British & World English dictionary