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We found 32 dictionaries with English definitions that include the word fail-safe:
Click on the first link on a line below to go directly to a page where "fail-safe" is defined.

General (24 matching dictionaries)

1. fail-safe: Merriam-Webster.com [home, info]
2. fail-safe: Oxford Learner's Dictionaries [home, info]
3. fail-safe: American Heritage Dictionary of the English Language [home, info]
4. fail-safe, fail-safe: Collins English Dictionary [home, info]
5. fail-safe: Vocabulary.com [home, info]
6. fail-safe: Macmillan Dictionary [home, info]
7. Fail-Safe, Fail-safe, fail-safe: Wordnik [home, info]
8. fail-safe: Cambridge Advanced Learner's Dictionary [home, info]
9. fail-safe: Wiktionary [home, info]
10. fail-safe: Webster's New World College Dictionary, 4th Ed. [home, info]
11. fail-safe: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. fail-safe: Infoplease Dictionary [home, info]
13. fail-safe: Dictionary.com [home, info]
14. fail-safe: UltraLingua English Dictionary [home, info]
15. fail-safe: Cambridge Dictionary of American English [home, info]
16. Fail-safe: Wikipedia, the Free Encyclopedia [home, info]
17. fail-safe: Rhymezone [home, info]
18. fail-safe: Free Dictionary [home, info]
19. fail-safe: Mnemonic Dictionary [home, info]
20. fail-safe: WordNet 1.7 Vocabulary Helper [home, info]
21. fail-safe: LookWAYup Translating Dictionary/Thesaurus [home, info]
22. fail-safe: Dictionary/thesaurus [home, info]

Business (2 matching dictionaries)

23. Fail-Safe: MoneyGlossary.com [home, info]
24. fail-safe: INVESTORWORDS [home, info]

Computing (3 matching dictionaries)

25. fail-safe: Webster's New World Hacker Dictionary [home, info]
26. fail-safe: Hacking Lexicon [home, info]
27. fail-safe: Encyclopedia [home, info]

Medicine (1 matching dictionary)

28. fail-safe: Medical dictionary [home, info]

Tech (2 matching dictionaries)

29. fail-safe: Chapters in the Sky [home, info]
30. FAIL-SAFE: Space and Electronic Warfare Lexicon [home, info]

(Note: See fail-safes for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (fail-safe) ▸ adjective:  eliminating danger by compensating automatically for a failure or malfunction ("A fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident") ▸ adjective:  guaranteed not to fail ("A fail-safe recipe for cheese souffle") ▸ Also see fail-safes ▸ Words similar to fail-safe ▸ Usage examples for fail-safe ▸ Idioms related to fail-safe (New!) ▸ Popular nouns described by fail-safe ▸ Words that often appear near fail-safe ▸ Rhymes of fail-safe ▸ Invented words related to fail-safe