1. The condition or fact of not achieving the desired end or ends: the failure of an experiment.2. One that fails: a failure at one's career.3. The condition or fact of being insufficient or falling short: a crop failure.4. A cessation of proper functioning or performance: a power failure.5. Nonperformance of what is requested or expected; omission: failure to report a change of address.6. The act or fact of failing to pass a course, test, or assignment. 7. A decline in strength or effectiveness. 8. The act or fact of becoming bankrupt or insolvent.
ETYMOLOGY:
Alteration of failer, default, from Anglo-Norman, from Old French faillir, to fail. See fail.
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