Usually means: Prevents harm when malfunction occurs.
Definitions Related words Mentions History
We found 27 dictionaries that define the word fail-safe:

General (20 matching dictionaries)
  1. fail-safe: Merriam-Webster.com
  2. fail-safe: Oxford Learner's Dictionaries
  3. fail-safe: American Heritage Dictionary of the English Language
  4. fail-safe, fail-safe: Collins English Dictionary
  5. fail-safe: Vocabulary.com
  6. Fail-Safe, Fail-safe, fail-safe: Wordnik
  7. fail-safe: Cambridge Advanced Learner's Dictionary
  8. fail-safe: Wiktionary
  9. fail-safe: Webster's New World College Dictionary, 4th Ed.
  10. fail-safe: The Wordsmyth English Dictionary-Thesaurus
  11. fail-safe: Infoplease Dictionary
  12. fail-safe: Dictionary.com
  13. fail-safe: Cambridge Essential American English Dictionary
  14. Fail-safe: Wikipedia, the Free Encyclopedia
  15. fail-safe: Rhymezone
  16. fail-safe: Free Dictionary
  17. fail-safe: Mnemonic Dictionary
  18. fail-safe: Dictionary/thesaurus

Business (2 matching dictionaries)
  1. MoneyGlossary.com (No longer online)
  2. INVESTORWORDS (No longer online)

Computing (3 matching dictionaries)
  1. fail-safe: Webster's New World Hacker Dictionary
  2. fail-safe: Hacking Lexicon
  3. fail-safe: Encyclopedia

Medicine (1 matching dictionary)
  1. fail-safe: Medical dictionary

Tech (1 matching dictionary)
  1. fail-safe: Chapters in the Sky

(Note: See fail-safes as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  That does not cause undue damage in the event of failure.
adjective:  Designed to shut off for safety if an emergency occurs.
noun:  A device, mechanism or measure designed to make something fail-safe.
verb:  To compensate automatically, in the event of a failure.
verb:  To make a device or mechanism fail-safe, or to add a fail-safe device or mechanism to an existing system.

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