bulletproof

/bʊl.ɪtpɹuːf/

verb

  1. 1

    To make proof against bullets.

  2. 2

    To make resistant to failure.

    “We have to bulletproof this program before we let the users at it; check every input, catch every possible flaw...it must not fail in use.”

adjective

  1. 1

    (of a material) Capable of withstanding a direct shot by a bullet fired from a gun.

    “A bulletproof window.”
  2. 2

    Reliable, infallible, sturdy or error-tolerant.

  3. 3

    (usually of an idea or concept) Unbreakable, very tough.

Synonyms

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