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fail-safe.

Adjective
Sci-FiSettingTechnical
MEANING

Designed so that a failure leaves a system in a comparatively safe state.

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Words that belong together

  • fail-safe valve
  • fail-safe mechanism

On the page

The fail-safe valve closed when power failed.
They tested the fail-safe mechanism before opening the reactor room.

Related words

Word forms
Base
fail-safe

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Usage notes

Primary category: sci-fi. Forms: Normally non-gradable as a design aim. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.

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