bonanza

/bəˈnænzə/
noun
  1. A situation or event that creates a sudden, large increase in wealth, profit, or good fortune.
    • The holiday season is a bonanza for retail stores.
    • The discovery of oil was a bonanza for the small town.
    • Winning the lottery was an unexpected bonanza for the family.
  2. A rich source of something valuable or desirable.
    • For a birdwatcher, the wetland is a bonanza of migratory species.
    • The old library turned out to be a bonanza of rare books.
    • The internet is a bonanza of information on almost any topic.
Antonyms
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