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Foolproof vs Failsafe - What's the difference?

foolproof | failsafe |

As adjectives the difference between foolproof and failsafe

is that foolproof is for a device: protected, or designed to be proof against misuse or error; fail-safe while failsafe is alternative form of lang=en.

As a verb foolproof

is {{cx|transitive|lang=en}} To make foolproof.

foolproof

English

Adjective

(en adjective)
  • For a device: protected, or designed to be proof against misuse or error; fail-safe.
  • For an idea or plan: infallible, or bulletproof.

    • Verb

    (en verb)
  • To make foolproof.

    • failsafe

    English

    Adjective

    (head)