failure

(noun) an act that fails. Examples: "His failure to pass the test."

(noun) an event that does not accomplish its intended purpose. Examples: "The surprise party was a complete failure."

(noun) lack of success. Examples: "He felt that his entire life had been a failure." "That year there was a crop failure."

(noun) a person with a record of failing; someone who loses consistently. Synonyms: loser, nonstarter, unsuccessful person.

(noun) an unexpected omission. Examples: "He resented my failure to return his call." "The mechanic's failure to check the brakes."

(noun) inability to discharge all your debts as they come due. Synonyms: bankruptcy. Examples: "The company had to declare bankruptcy." "Fraudulent loans led to the failure of many banks."

(noun) loss of ability to function normally. Examples: "Kidney failure."