fail

1. (noun) Poor quality; substandard workmanship. 2. (noun) A failure (condition of being unsuccessful) 3. (noun) A failure (something incapable of success) 4. (noun) A failure, especially of a financial transaction (a termination of an action). 5. (noun) A failing grade in an academic examination. 6. (verb) To be unsuccessful. 7. (verb) Not to achieve a particular stated goal. (Usage note: The direct object of this word is usually an infinitive.) 8. (verb) To neglect. 9. (verb) Of a machine, etc.: to cease to operate correctly. 10. (verb) To be wanting to, to be insufficient for, to disappoint, to desert. 11. (verb) To receive one or more non-passing grades in academic pursuits. 12. (verb) To give a student a non-passing grade in an academic endeavour. 13. (verb) To miss attaining; to lose. 14. (verb) To be wanting; to fall short; to be or become deficient in any measure or degree up to total absence. 15. (verb) To be affected with want; to come short; to lack; to be deficient or unprovided; used with of. 16. (verb) To fall away; to become diminished; to decline; to decay; to sink. 17. (verb) To deteriorate in respect to vigour, activity, resources, etc.; to become weaker. 18. (verb) To perish; to die; used of a person. 19. (verb) To err in judgment; to be mistaken. 20. (verb) To become unable to meet one's engagements; especially, to be unable to pay one's debts or discharge one's business obligation; to become bankrupt or insolvent. 21. (adjective) That is a failure.