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S vs Bulletproof - What's the difference?

s | bulletproof |

As a letter s

is the letter s with a.

As an adjective bulletproof is

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

As a verb bulletproof is

to make proof against bullets.

s

Translingual

{{Basic Latin character info, previous=r, next=t, image= (wikipedia s)

Letter

  • The nineteenth letter of the .

    • Symbol

    (wikipedia) (mul-symbol)
  • voiceless alveolar fricative
  • Symbol for second , an SI unit of measurement of time.

    • See also

    (Latn-script) * * (esh) * (dze) * {{Letter , page=S , NATO=Sierra , Morse=ยทยทยท , Character=S , Braille=? }} Image:Latin S.png, Capital and lowercase versions of S , in normal and italic type Image:Fraktur letter S.png, Uppercase and lowercase S in Fraktur Symbols for SI units ----

    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.