fail-safe

adjective

\ ˈfāl-ˌsāf

How to pronounce fail-safe (audio)

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Definition of fail-safe

(Entry 1 of 2)

1 : incorporating some feature for automatically counteracting the effect of an anticipated possible source of failure

2 : being or relating to a safeguard that prevents continuing on a bombing mission according to a preconceived plan

3 : having no chance of failure : infallibly problem-free the little black dress … has consistently been the fail-safe solution for night — Vogue

fail-safe

noun

Definition of fail-safe (Entry 2 of 2)

: a device or measure that makes something fail-safe

Synonyms & Antonyms for fail-safe

Synonyms: Adjective

can't-miss, certain, infallible, sure, surefire, unfailing

Synonyms: Noun

caution, palladium, precaution, preventive, safeguard

Antonyms: Adjective

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Dictionary Entries near fail-safe

failing grade/mark

fail to see/understand

Statistics for fail-safe

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Time Traveler for fail-safe

The first known use of fail-safe was in 1946

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More Definitions for fail-safe

fail-safe

adjective

English Language Learners Definition of fail-safe

: certain not to fail

See the full definition for fail-safe in the English Language Learners Dictionary

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