fail-safe

/ˈfeɪl.seɪf/
adjectiveIntermediate designed to prevent catastrophic failure
⚙️Engineering
technical

A mechanism or design feature that automatically prevents or mitigates failure in a system, especially to avoid catastrophic consequences.

The nuclear reactor has multiple fail-safe systems to ensure safety in case of an emergency.

The reactor is equipped with several safety mechanisms that activate automatically to prevent accidents.

The software includes a fail-safe to revert to a previous stable version if an update fails.

The software has a backup system that restores the previous working version if the update process encounters errors.

💡

Common in engineering, aviation, and technology to describe safety-critical systems.

Collocations

fail-safe mechanisma built-in safety feature that prevents failurefail-safe systema design that ensures safety even if part of the system fails

Related Phrases

single-point failurephrase
a system flaw where one failure causes total system collapse
redundant systemphrase
a backup system that takes over if the primary system fails

💡Pro Tip

Technical Context

Use 'fail-safe' when discussing engineering, aviation, or technology to describe safety mechanisms.

Gold Rule

Avoid Overuse

Do not apply 'fail-safe' to non-technical situations, as it is a specialized term.

📖Word Origin

From the combination of 'fail' (to stop working) and 'safe' (secure), popularized in engineering and technology contexts.

📝Usage Notes

Primarily used in technical fields to describe systems designed to prevent catastrophic failure. Avoid using it for non-technical contexts.

Word Breakdown

fail
to stop working or malfunction
root
+
safe
secure or protected from harm
root
English Dictionary