Definition of a rainy day in English:

a rainy day

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.
See parent entry: rainy

Definition of a rainy day in:

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Word of the day guzzle
Pronunciation: ˈgʌz(ə)l
verb
eat or drink (something) greedily