windfall - definition and synonyms

noun [countable] 

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  1. 1
    an amount of money that you get when you are not expecting it, especially a large amount

    windfall profits

  2. 2
    an apple or other fruit that has fallen from a tree
     Synonyms and related words
  3. 3
    a large amount of something that arrives unexpectedly and all together

    NASA announced the discovery of 715 new planets, by far the biggest windfall of planets ever unveiled at once.