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Bulletproof vs Ballproof - What's the difference?

bulletproof | ballproof |

As adjectives the difference between bulletproof and ballproof

is that bulletproof is (of a material) capable of withstanding a direct shot by a bullet fired from a gun while ballproof is incapable of being penetrated by balls from firearms; bulletproof.

As a verb bulletproof

is to make proof against bullets.

bulletproof

English

Alternative forms

* bullet-proof

Adjective

(en adjective)
  • (of a material) Capable of withstanding a direct shot by a bullet fired from a gun.
    • A bulletproof window.
    A bulletproof vest.
  • (idiomatic) reliable, infallible, sturdy or error-tolerant.
  • (usually, of an idea or concept) Unbreakable, very tough.

    • Synonyms

    * (infallible) foolproof

    Verb

    (en verb)
  • To make proof against bullets.
  • (slang) 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.

    ballproof

    English

    Adjective

    (en adjective)
  • Incapable of being penetrated by balls from firearms; bulletproof.
    • (Webster 1913)