- An example of a windfall is a tree that was uprooted in a hurricane.
- An example of a windfall is winning the lottery.
- something blown down by the wind, as fruit from a tree
- any unexpected acquisition, gain, or stroke of good luck; specif., a gain of unexpected profit or earnings
- A sudden, unexpected piece of good fortune or financial gain.
- Something, such as a ripened fruit, that has been blown down by the wind.