foolproof

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English[edit]

Etymology[edit]

From fool +‎ -proof.

Adjective[edit]

foolproof (comparative more foolproof, superlative most foolproof)

  1. For a device: protected, or designed to be proof against misuse or error; fail-safe.
  2. For an idea or plan: infallible, or bulletproof.

Translations[edit]

Verb[edit]

foolproof (third-person singular simple present foolproofs, present participle foolproofing, simple past and past participle foolproofed)

  1. (transitive) To make foolproof.