fail-safe Meaning in the Cambridge English Dictionary
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Meaning of “fail-safe” in the English Dictionary

"fail-safe" in British English

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fail-safeadjective

uk   us   /ˈfeɪ.l.seɪf/
very ​unlikely to ​fail: a fail-safe ​plan If something is fail-safe, it has been ​designed so that if one ​part of it does not ​work, the ​whole thing does not ​becomedangerous: a fail-safe ​device
(Definition of fail-safe from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fail-safe" in American English

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fail-safeadjective

 /ˈfeɪlˌseɪf/
designed so that if one ​part of a ​device does not ​work, the ​whole thing ​stopsworking to ​avoid a ​dangeroussituation
(Definition of fail-safe from the Cambridge Academic Content Dictionary © Cambridge University Press)
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