1. an act or instance of failing or proving unsuccessful; lack of success: His effort ended in failure. The campaign was a failure.
2.nonperformance of something due, required, or expected: a failure to do what one has promised; a failure to appear.
3.a subnormal quantity or quality; an insufficiency: the failure of crops.
4.deterioration or decay, esp. of vigor, strength, etc.: The failure of her health made retirement necessary.
5.a condition of being bankrupt by reason of insolvency.
6.a becoming insolvent or bankrupt: the failure of a bank.
7.a person or thing that proves unsuccessful: He is a failure in his career. The cake is a failure.
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