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Bulletproof vs Impervious - What's the difference?

bulletproof | impervious |

As adjectives the difference between bulletproof and impervious

is that bulletproof is (of a material) capable of withstanding a direct shot by a bullet fired from a gun while impervious is unaffected or unable to be affected by.

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.

    impervious

    English

    Adjective

    (en adjective)
  • Unaffected or unable to be affected by.
  • *
  • , title=(The Celebrity), chapter=5 , passage=Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.}}
  • Preventive of any penetration; impenetrable, impermeable, particularly of water.
  • Immune to damage or effect.
  • Antonyms

    * pervious

    Derived terms

    * imperviously * imperviousness